A good costume party theme tells guests where to start and then gets out of their way. Too narrow and half the room can't take part; too vague and people turn up in a single pair of ears. The themes below cover decades, fantasy worlds, familiar characters, playful concepts and easy categories for adults, teens, families or a mix of ages. For each one I've sketched a sample costume from hair to shoes, plus the decorations that make the room match. Most of the clothing can come from closets, thrift racks and a little craft work. When you pick, think about the venue, the season, who's coming and how long people will be wearing their costumes, then put the dress code on the invitation in plain words.
Wording an Invitation That Gets People to Dress Up
The theme only works if guests understand it, and most costume parties lose half their dressers at the invitation stage. When I help a friend plan one, I spend more time on those few lines than on the decorations.
- Send it two to three weeks ahead. Decade and formal themes need thrift trips, and a week isn't always enough.
- Name the theme in plain words, then give three quick examples of what counts, including at least one easy option.
- Offer a low-effort tier, such as wearing the theme's colors with one accessory, so shy guests still come.
- Mention the setting: indoors or out, how much standing and dancing, and if children will be there.
- Say what to leave at home, such as toy weapons, full masks or anything that sheds glitter on the sofa.
That low-effort tier matters more than people expect. Guests who are nervous about costumes often skip the party rather than turn up undressed, and a clear easy option keeps them on the list.
1. 1980s Costume Party Theme
The 1980s is the theme I suggest most to hosts, because nearly everyone owns or can borrow one piece of it. A sample look starts with a bright windbreaker over a graphic T-shirt, high-waisted acid-wash jeans and white high-tops. Teased hair or a curly wig, sweatbands, plastic sunglasses and stacked bangles carry the decade, with blue shadow and rosy blush on the face. To tease hair without wrecking it, I backcomb small sections near the root and spray before smoothing the top layer over. Guests can also come as aerobics instructors, glam rockers, arcade fans or preppy film types. Geometric prints, cassette props and bright balloons set the room.
2. 1970s Disco Costume Party Theme
Disco is easy to read and fun to dance in, which matters at a party built around music. A sample look pairs a metallic halter top with high-waisted flares, platforms and oversized hoops. Feathered layers, soft curls or a full rounded wig set the hair, with glossy lips, sparkling eyes and a mirrored clutch. Men can wear a wide-collar patterned shirt, fitted flares, tinted glasses and platform boots. I'd tell guests on the invitation that jumpsuits, sequined dresses and leisure suits all count, so nobody feels they need a single exact outfit. A silver backdrop, mirror balls and colored floor lights keep the theme clear, and shiny fabrics look their best under that kind of lighting.
3. 1990s Costume Party Theme
The 1990s gives guests a wide choice: grunge, pop, preppy and streetwear all fit. One easy look is a plaid flannel over a fitted tank, relaxed jeans, a velvet choker and chunky black boots. Two small buns or loose textured waves, brown lipstick and simple liner date it nicely. A mini backpack, a music-player prop and narrow sunglasses finish it. Others can pick matching tracksuits, denim overalls, a slip dress over a T-shirt or a bright windbreaker. I'd keep the invitation broad so every subculture of the decade feels welcome. Checkerboard prints, inflatable furniture, old CDs and smiley faces set the scene without leaning on one character.
4. Roaring 1920s Costume Party Theme
A 1920s party turns into proper eveningwear, so warn guests early; beaded dresses take time to find. A sample women's look has a knee-length beaded dress, opaque stockings, low T-strap shoes, faux pearls and a feathered headband. Finger waves or a short waved wig set the hair, with defined brows, smoky eyes and deep rose lipstick. Men can wear a dark three-piece suit, white shirt, bow tie, polished shoes and a flat cap. Real beaded dresses are heavy and the threads snap if you hang them, so I store them folded flat and suggest lightweight fringe for anyone who plans to dance all night. Gold and black decor, fan patterns and an Art Deco backdrop set the room.
5. Old Hollywood Costume Party Theme
Old Hollywood gives guests a reason to wear their most formal clothes for once. A sample costume has a floor-length satin gown, elbow gloves, low metallic heels, a faux-fur wrap and clip-on earrings. Glossy side-parted waves or a styled vintage wig set the hair, finished with red lipstick, winged liner and soft brows. Men can wear a black tuxedo, a bow tie, polished shoes and neatly combed hair. Guests who don't own formalwear can come as silent-film comedians, directors or photographers, which takes the pressure off. A red walkway, gold stars, velvet ropes and a black-and-white portrait corner set the scene, and a thrifted suit or dress is plenty.
6. Superhero Costume Party Theme
A superhero party works best when guests invent their own heroes, so nobody arrives as the same caped character. A sample look starts with a fitted blue top, black leggings, a light red cape, ankle boots and a wide metallic belt. A simple eye mask, temporary hair color and graphic liner around the eyes give it the comic feel. A foam shield or cardboard emblem shows the power. I'd steer guests away from full bodysuits, which run hot and make dancing miserable; flexible separates look just as heroic. Powers can be built around nature, speed, technology, animals or space. Comic-style signs, a city backdrop and an emblem-making table keep the theme going.
7. Storybook Character Costume Party Theme
A storybook party invites guests to walk out of a favorite page. One sample look has a blue pinafore over a white puff-sleeve blouse, striped tights, black Mary Janes, a ribbon headband and a small illustrated book. Long soft curls or a natural wig, rosy cheeks and light eye makeup finish it. Other guests can be adventurous children, talking animals, magical caretakers, inventors or storybook royalty. Ask everyone on the invitation to bring one clear clue, such as a prop, a color pair or a signature accessory, because book characters are harder to guess than film ones. Paper flowers, stacked-book decor and illustrated backdrops make the room feel like a reading corner for every age.
8. Fairytale Costume Party Theme
A fairytale party sounds formal, but the dress code can be relaxed. One sample costume pairs a pale blue midi dress with a soft tulle cape, silver ballet flats, a delicate headband and a star wand. A loose braided crown sets the hair, with a luminous base, soft pink lips and a little biodegradable glitter. Guests can be woodland royalty, magical guides, travelers, enchanted animals or villains with elegant rather than scary details. I always check that crowns and tiaras are light and pinned through the combs, because a crown that slides off during the first dance doesn't go back on. Artificial vines, oversized flowers, paper castles and string lights set the room.
9. Space And Sci-Fi Costume Party Theme
Space and sci-fi parties suit metallic clothes and anything that glows. A sample look has a silver utility jumpsuit, white ankle boots, a structured belt, reflective cuffs and a clear helmet-style headpiece worn open at the front. A sleek high ponytail or silver bob wig, graphic liner, pearly highlight and tiny stars at the temples set the face. A painted cardboard control panel makes the easy prop. Guests can be astronauts, friendly aliens, robots, captains or scientists. Planets, cool streamers and starry backdrops decorate it; I'd keep the room bright rather than black-lit, since silver looks gray in the dark and photos come out murky.
10. Under The Sea Costume Party Theme
Under the sea gives you a party full of color with very little difficulty. One sample mermaid look pairs a turquoise scale-print maxi skirt with a fitted lavender top, a sheer fin-shaped cape and flat silver sandals. Long teal waves or a clip-in colored hairpiece, pearl clips, shimmering blue eyes and a shell purse follow. Other guests can come as jellyfish, coral, friendly sharks, sailors, seahorses or ocean scientists. A jellyfish is one of the cheapest options: a clear umbrella with ribbon streamers hanging from the edge. Skip real shells, which can have sharp edges. Blue drapes, bubble balloons, paper seaweed and iridescent streamers set the scene, and each guest can pick one creature and build a color story around it.
11. Wild West Costume Party Theme
A Wild West party comes together from denim and plaid most people already own. A sample cowboy costume has a plaid button-down, a suede-look vest, straight-leg jeans, brown boots and a wide-brim hat. A bandana, a soft cord lasso and a paper sheriff's badge add detail, with relaxed braids or tousled waves and sun-warmed makeup. Guests can also be ranchers, traveling performers, prospectors, shopkeepers or rodeo stars. I'd put no-weapon-props on the invitation, since toy guns cause awkward moments at the door, and let hats, boots, vests and fringe carry the theme. Hay-colored table covers, wagon-wheel cutouts and wooden signs finish the setting.
12. Pirate Costume Party Theme
Pirates can be adventurous and still family-friendly. A sample look has a white ruffled shirt, dark cropped trousers, a striped sash, tall brown boots and a long burgundy vest. A tricorn-style hat, a clip-on hoop, a fabric treasure map and a pouch of plastic coins finish it. Tousled hair or a long braided wig and smudged liner with bronzed cheeks add character. Guests can be captains, navigators, deckhands, island explorers or treasure keepers. For an aged map, I crumple brown paper, flatten it and rub the edges with a tea bag, then let it dry. Rope, cardboard ships, treasure chests and old-looking signs decorate the room, with maps, compasses and flags in place of toy weapons.
13. Circus Costume Party Theme
Circus parties are loud and bright, and they suit every age if the clowns stay friendly. A sample ringmaster look has a red tailcoat with gold trim, fitted black trousers, a white ruffled shirt, polished ankle boots and a small top hat. A sleek ponytail or short curled wig, defined liner, rosy cheeks, red lipstick and a painted cardboard baton finish it. Guests can be acrobats, strongmen, clowns, ticket sellers or circus animals. Red and white draping, paper stars, pennants and a striped photo wall set the room. I'd ask guests to keep clown makeup cheerful and skip the scary versions, since young children at a mixed-age party can be genuinely frightened by them.
14. Masquerade Costume Party Theme
Masquerade is the theme to pick when you want a dressy evening with a costume twist. A sample look has a jewel-toned velvet midi dress, a fitted embroidered jacket, opaque tights and low ankle boots. A decorated eye mask tied with ribbon, chandelier earrings and a structured handbag follow, with a low twisted updo, smoky eyes, berry lipstick and a little highlight. Men can wear dark suits, brocade vests, polished shoes and matching masks. Ask guests to match the mask to the outfit instead of treating it as the whole costume. I'd also suggest masks on a stick for anyone who wears glasses, because a tied mask over frames is uncomfortable. Draped fabric, metallic garlands and paper masks decorate the room.
15. Enchanted Forest Costume Party Theme
An enchanted forest party brings flowers, leaves and gentle magic indoors. A sample forest guardian costume has a moss-green maxi dress, a brown lace-up vest, leaf shoulder pieces and suede ankle boots. Loose waves with a vine headband or a long auburn wig, earthy shadow, flushed cheeks and painted leaves at the temples finish the face. A battery lantern or a basket of faux flowers is the prop. Guests can be fairies, mushrooms, woodland animals, tree guardians or herbalists. Faux greenery, paper butterflies, flower garlands and log patterns build the scene. I'd skip real leaves and moss for both costumes and decor; they crumble, shed and track across the floor within an hour.
16. Greek Mythology Costume Party Theme
A Greek mythology party focuses on gods, heroes, muses and creatures, not on dressing up as a real culture. One sample fan-made Athena look has a long white pleated dress, a gold rope belt, flat lace-up sandals and a soft metallic shoulder cape. A leaf headband, a curled updo, warm gold eye makeup and a foam owl finish it. Others can be sea gods, messengers, sun or moon figures, muses or constellation beings. For the drape, I pin a long rectangle of jersey at both shoulders and belt it; jersey falls in soft folds and needs no sewing. Cardboard columns, blue drapes, metallic leaves and clouds set the scene. Skip skin-darkening makeup and rely on color, shape and props.
17. Time Traveler Costume Party Theme
Time travel is the most forgiving theme here, since guests can mix any era with any imagined future. One sample look pairs a Victorian-style high-neck blouse with a brown waistcoat, a long skirt, lace-up boots and a handmade clockwork belt. A mini top hat, round goggles, a pocket watch and a cardboard time device add the story. A curled updo or copper wig, bronze shadow and soft brows match the palette. Guests can come from the distant past, an imagined future, the prehistoric world or a timeline of their own. Decorate separate corners as different eras with clocks, calendars, gears and metallic streamers, which also gives everyone several photo spots.
18. Movie Character Costume Party Theme
A movie character party gives guests a broad category and asks them to tell a story from head to toe. One guest might wear a black knee-length dress with a white collar, black tights, chunky loafers, long braids, pale makeup and a small vintage bag. Others might pick an archaeologist, a musical performer or a secret agent. I'd ask everyone to include at least three identifying details: a signature color, a hairstyle, a garment or a prop. With three, people can guess characters across very different genres. Film-reel garlands, a director's board, marquee lights and a premiere-style photo area set the room. Keep props soft and light, with no realistic weapons.
19. TV Character Costume Party Theme
Television gives guests sitcom characters, fantasy heroes and cartoons to choose from. A sample retro TV look has a patterned sweater, a pleated midi skirt, white sneakers, a curled ponytail with a bright scrunchie and an oversized novelty phone. Soft blush, glossy lips and simple liner keep the face cheerful. Guests can pick from comedy, mystery, drama, cartoons or family series. Encourage them to recreate the signature clothing instead of leaning on a printed name tag. Cardboard TV frames, remote cutouts, episode signs and themed seating decorate the room. A quick introduction game near the start lets people explain lesser-known characters, which I find saves a lot of puzzled looks later.
20. Video Game Costume Party Theme
A video game party turns into a room of bright colors and simple, bold shapes, which makes it easy to costume. A sample platform-hero look uses blue overalls, a bright long-sleeve shirt, white gloves, sturdy brown shoes and a matching cap. A stick-on mustache, neat hair and a cardboard coin finish it; I'd use a mustache made for skin, since craft felt and double-sided tape lift as soon as you talk. Guests can also be racers, puzzle heroes, fantasy travelers, blocky characters or cheerful creatures. Costume pieces should stay flexible for party games and sitting. Pixel decor, cardboard controllers, colored blocks and level signs set the scene, with foam tools, coins and maps instead of weapons.
21. Pop Star Costume Party Theme
A pop star party invites stage-ready looks from any era of music. A sample costume has a sparkling silver jacket over a bright bodysuit and opaque leggings, with white platform boots and crystal-style earrings. A long high ponytail or colorful wig, winged liner, shimmer shadow and glossy lips finish the face, plus a toy microphone. Guests can take bubblegum pop, dance music, futuristic stagewear or coordinated vocal-group outfits without copying one performer. Build a photo stage with metallic curtains, cardboard speakers and stars. I'd remind guests that platform boots need some practice before the night, especially on a hard floor, and that hems should still clear the stairs.
22. Rock Star Costume Party Theme
Rock star parties are easy to personalize because the rules are loose. A sample glam-rock look has a metallic fitted jacket, black straight-leg trousers, a graphic tank, studded ankle boots and stacked cuffs. A voluminous shag or a streaked wig, smoky liner, silver shadow and a small star painted near one eye give it attitude. A cardboard guitar is the prop and is light enough to carry all night. Guests can be punk singers, classic band members, keyboard players or arena performers. Record cutouts, lightning shapes, posters and a stage backdrop let people pose as a pretend band. For the star, I draw it with a liquid liner and powder over it so it doesn't smear by the end of the night.
23. Sports Legends Costume Party Theme
Sports legends lets guests celebrate athletic style without hunting for an official uniform. A sample retro basketball look has a loose numbered jersey over a fitted T-shirt, matching shorts, tall striped socks and clean high-tops. A sweatband, natural hair or a sporty wig, light makeup and a foam ball finish it. Guests can represent tennis, soccer, skating, gymnastics, baseball, racing or track through clothing and soft equipment. Invented team names keep everyone away from official logos. Pennants, scoreboards, a podium and court markings decorate the room. I'd mention clean, comfortable shoes on the invitation, especially if there will be dancing, relay games or an outdoor area.
24. Famous Duos Costume Party Theme
Famous duos build photo opportunities into the guest list. One sample pairing puts a detective in a brown checked coat, trousers, lace-up shoes and short neat hair, holding a magnifying glass, next to an assistant in a dark waistcoat, a white shirt, a long skirt and practical boots with pinned-back hair and a notebook. Matching neutral makeup and vintage accessories tie the pair together. Others can pick heroes and villains, comedy partners, storybook friends, cartoon companions or foods that go together. Say on the invitation that friends, siblings, couples and parents with kids all count as pairs. Paired decor, double photo frames and matching-pair signs keep the theme light and not only romantic.
25. Heroes And Villains Costume Party Theme
Heroes and villains splits the room into two looks, which makes for strong group photos. A sample villain wears an emerald velvet coat over black trousers, pointed ankle boots, sleek dark hair, green graphic eyes and a jeweled foam staff. A matching hero might wear a cream tunic, a gold belt, a blue cape, flat boots, swept-back hair and a sun emblem. Guests can pick a side at the door or plan opposing costumes with friends. Decorate the venue in two color zones with contrasting backdrops and emblem stations. I'd keep every character playful and theatrical, with no realistic weapons, frightening masks or anything bulky enough to get in other guests' way.
26. Classic Monster Costume Party Theme
Classic monsters give you spooky costumes without any gore. A sample friendly werewolf has a brown faux-fur vest over a plaid shirt, dark jeans, rugged lace-up boots, furry wrist cuffs and soft ears. Tousled brown hair or a shaggy wig, shaded cheekbones, a darkened nose and painted whisker dots finish the face. Faux fur sheds heavily at cut edges, so I trim it from the back with small scissor snips through the backing only, which keeps the pile intact. Guests can be elegant vampires, mummies, laboratory creations, swamp creatures or film monsters. Cardboard lab equipment, paper cobwebs, castle windows and a big moon set the scene, with bright lighting for clear photos.
27. Ghost Costume Party Theme
A ghost party can look far more creative than a room full of sheets. A sample vintage ghost wears a flowing ivory dress, a sheer gray cape, pale tights, silver ballet flats and faux-pearl jewelry. A long white or gray wig with softly tangled waves, pearly face makeup, cool gray shadow and pale lavender lips finish it, with no wounds. An empty ornate frame or a battery candle is the prop. Guests can be haunted librarians, ghostly dancers, attic residents or translucent travelers. White drapes, hanging paper shapes, old frames and silver balloons decorate the room. I'd keep the lighting bright, because pale costumes vanish against white walls in a dim room.
28. Witch And Wizard Costume Party Theme
Witches and wizards suit every age and every budget. A sample witch wears a plum maxi dress, a black fitted vest, striped tights, buckled ankle boots and a wide-brim pointed hat. Loose curls or a deep purple wig, smoky violet eyes, berry lipstick and tiny painted stars near the cheekbones finish the face, with a small broom or a fabric-covered spellbook. Wizards can wear layered robes, belts, soft hats and constellation accessories. Paper stars, potion bottles filled with colored water, books and battery candles set the room; I'd cap the bottles firmly or hot-glue the lids, since someone always picks one up. Keep the theme to storybook fantasy, not rituals or frightening imagery.
29. Animal Costume Party Theme
Animals are the safest theme for a mixed group, including last-minute guests who own nothing costume-like. A sample fox has an orange sweater, rust trousers, brown ankle boots, a cream faux-fur collar and a soft clip-on tail. Pointed ears, wavy auburn hair, copper shadow, a painted black nose and light whiskers finish it. Guests can pick pets, forest animals, birds, insects, sea creatures or invented hybrids. I'd ask guests to build their animal from color, texture, ears and simple makeup instead of a full mask, which blocks side vision and gets hot quickly. Leaf garlands, paw-print signs, habitat backdrops and animal balloons set the scene, and a group photo by habitat is a fun way to finish.
30. Food Costume Party Theme
Food costumes are the funniest theme on this list, and the props are simple to make. A sample strawberry has a red knee-length dress dotted with black felt seeds, green tights, red flats and a leafy green collar. A green headband, soft curls, rosy makeup and a strawberry bag finish it. Guests can come as pizza slices, popcorn boxes, cupcakes, avocados, fruit, vegetables or matching snack pairs. Foam, felt and cardboard shapes clip onto ordinary clothes. I cut felt seeds as small teardrops and stitch a single stitch through each, since glued felt peels off cotton jersey after a few hours. Gingham tablecloths, paper produce, menu signs and colorful plates decorate the room, and real food stays off the costumes.
A Basket of Spare Ears, Capes and Hats by the Door
Someone always arrives without a costume, usually because they ran out of time. I keep a basket by the door with pieces that fit the theme and can be put on in seconds. A guest who picks something from it joins in immediately instead of standing at the edge of every photo.
- Headbands with ears, horns or antennae, which fit almost every head.
- A few rectangles of fabric cut as capes, with a ribbon at the neck.
- Simple hats in the theme: paper crowns, a cheap pointed hat, a flat cap.
- Sunglasses, bandanas and costume necklaces for decade parties.
- Face gems and a wipe-off face crayon, plus makeup wipes for removal.
Thrift stores and post-holiday sales are the cheapest places to stock it, and the same basket comes out again for the next party with a different theme. Keep it tidy and visible; a basket hidden in a back room never gets used. I also add a small mirror and a pack of bobby pins next to it, because a headband or hat goes on far better when a guest can see what they're doing, and nobody wants to borrow the host's bathroom mirror for ten minutes while the party carries on without them.
Two Themes I'd Pick for a Mixed Crowd
There's a theme above for nearly any guest list, venue, budget and season. Decades make thrift shopping simple, while fantasy and character themes give creative guests more room to play. Broad categories such as animals, food, films and famous duos help most when guests have different comfort levels or little time to prepare. Whatever you pick, send the dress code early and include two or three costume examples on the invitation. Ask for comfortable shoes, light props and clothing that suits a shared space. If I were hosting a first costume party for a mixed crowd, I'd choose the 1980s or animals, since everyone can join in from their own closet.
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