Celebrating a 40th birthday is a milestone that deserves a memorable theme. Some great theme ideas for a 40th birthday include a Retro or Throwback Party, where guests can dress up in styles from the birthday person’s youth, such as the ’80s or ’90s. For a more sophisticated vibe, consider a Hollywood Glamour theme, complete with a red carpet, movie star costumes, and champagne.
Another fun idea is a Travel or Adventure theme, where the party can reflect the birthday person’s favorite destinations or future travel dreams, incorporating maps, globes, and travel-inspired décor. For those who enjoy a bit of humor, a Midlife Crisis theme, featuring playful references to “getting older,” can add a comedic touch. Finally, a Wine Tasting or Craft Beer Party works well for a more relaxed and elegant evening with friends and family, offering great drinks and food pairings. Whatever the theme, ensure it reflects the birthday person’s personality and preferences for a truly unforgettable celebration.
Theme Ideas for 40th Birthday
Here’s a list of 50+ Theme Ideas for a 40th Birthday to make the celebration unforgettable:
- Retro ’80s Party
- Hollywood Glamour
- Travel or Adventure Theme
- Casino Night
- Masquerade Ball
- Wine Tasting Party
- Disco Fever
- Tropical Luau
- Great Gatsby / Roaring ’20s
- Black and White Party
- Superhero Party
- Survivor Island Challenge
- Garden Party
- Carnival or Circus Theme
- Sports Fanatic Party
- Comedy Roast Party
- Pop Art Theme
- Retro Video Game Party
- Hollywood Movie Marathon
- Game Night Extravaganza
- Glow-in-the-Dark Party
- Vintage Tea Party
- Music Festival Theme
- Pajama Party
- Vintage Circus
- Backyard BBQ
- Masculine Whiskey Tasting
- Beach Party
- Mexican Fiesta
- Great Outdoors Campout
- Brunch and Mimosa Party
- Blacklight Party
- 70s Bohemian Theme
- Rock ‘n Roll Party
- Glamorous Hollywood Movie Premiere
- Fairy Tale Fantasy
- Under the Stars (Outdoor Movie Night)
- Superhero Costume Party
- Pirate Theme
- Chic Cocktail Party
- DIY Craft Party
- Tiki Bar Party
- Vintage Carnival
- Murder Mystery Party
- Art Gallery/Exhibit Party
- Broadway Show Theme
- Secret Garden Party
- Chocolate and Dessert Party
- Hawaiian Luau
- Wine and Cheese Pairing
- Starry Night Theme
- Outdoor BBQ and Bonfire
- ‘90s Throwback Party
- Funky Disco Night
- Travel Around the World Theme
- Alice in Wonderland Tea Party
- High Tea with a Twist
- Farm-to-Table Dinner Party
- Roaring ’20s Flapper Party
- Gothic Glam Party
These themes can add personality and fun to any 40th birthday celebration, whether you’re looking for something laid-back, elegant, or playful.
How to Decorate Theme-wise for 40th Birthday
1. Retro ’80s Party
Requirements:
- Bright neon-colored decorations (balloons, streamers, tablecloths)
- Posters of popular ’80s celebrities, movies, and bands
- Retro music playlist (Madonna, Michael Jackson, Prince)
- Vintage arcade games or a photo booth with props (boombox, leg warmers, headbands)
- Glow sticks, neon accessories, and rubik’s cubes
How to Decorate:
- Color scheme: Use neon pink, yellow, green, and blue for your party décor.
- Lighting: Set up black lights or LED strip lights to make neon colors pop.
- Tables: Use colorful tablecloths and plates with ’80s-inspired designs (such as cassette tapes and arcade games).
- Wall décor: Hang posters of ’80s stars, retro movie posters, and vinyl records.
- Photo booth: Create a corner with funky retro props like big sunglasses, windbreakers, and inflatable boomboxes.
2. Hollywood Glamour
Requirements:
- Red carpet and stanchions
- Glamorous decorations (gold, black, and white)
- Sparkling confetti or glitter
- Hollywood star cutouts or photo boards
- Spotlights or soft lighting
How to Decorate:
- Entrance: Set up a red carpet at the entrance with stanchions and velvet ropes.
- Lighting: Use spotlights or string lights to give a glamorous feel.
- Table settings: Gold plates, black tablecloths, crystal glassware, and elegant centerpieces like silver candlesticks.
- Wall décor: Hang large posters of iconic movie stars and film reels.
- Photo area: Provide a backdrop with gold stars and “Hollywood Walk of Fame” signs for guests to take photos.
3. Travel or Adventure Theme
Requirements:
- Maps, globes, and suitcases
- Vintage postcards or travel stamps
- Themed travel-inspired props (e.g., airplane or train ticket stubs)
- International foods and drinks
How to Decorate:
- Color scheme: Earthy tones like brown, green, and tan with pops of blue and yellow for a travel-inspired feel.
- Tables: Decorate with vintage suitcases or old maps as centerpieces. Use postcards or boarding passes as place settings.
- Walls: Hang maps of the world or famous landmarks around the room.
- Photo booth: Create a travel-themed backdrop with luggage, passports, and old travel tickets.
- Party favors: Give guests small travel accessories like luggage tags or mini globes.
4. Casino Night
Requirements:
- Casino game supplies (cards, dice, roulette wheel)
- Poker chips or faux money
- Red, black, and gold color scheme
- Cocktail bar and snacks
How to Decorate:
- Tables: Cover tables with black tablecloths and use poker chips or fake money as decorations.
- Walls: Hang up posters of Las Vegas or casino advertisements.
- Lighting: Use dim, atmospheric lighting with spotlights on gaming tables.
- Photo booth: Set up a backdrop of a casino or Las Vegas skyline for photos.
- Bar area: Set up a bar with drinks named after classic casino games.
5. Masquerade Ball
Requirements:
- Elegant masks for guests
- Chandeliers or candle-lit ambiance
- Dark, rich colors like purple, gold, and black
- Satin or velvet drapes
- Classical music or soft instrumental tracks
How to Decorate:
- Color scheme: Use rich jewel tones like purple, emerald, and gold for an elegant look.
- Lighting: Soft lighting with candles or chandeliers will create a mysterious and elegant vibe.
- Centerpieces: Use tall candle holders, crystal vases, and elegant floral arrangements.
- Tables: Use elegant cloths, with gold chargers, dark plates, and delicate glassware.
- Photo booth: Create a grand photo backdrop with luxurious velvet curtains, gilded frames, and masks.
6. Wine Tasting Party
Requirements:
- Wine glasses and a variety of wines
- Cheese platters and small appetizers
- Wine-tasting scorecards
- Rustic décor (wooden barrels, grapes, corks)
How to Decorate:
- Tables: Set up long wooden tables with white cloths and rustic candle holders.
- Walls: Hang wine-themed décor, like vintage wine posters, corkboards, or grapevine wreaths.
- Bar area: Display bottles of wine with tasting cards explaining each type.
- Photo area: Set up a corner with wine barrel props and decorative grapevines for a rustic, vineyard look.
- Serving area: Display cheese platters and crackers on elegant serving trays.
7. Disco Fever
Requirements:
- Disco ball and multicolor lighting
- Funky 70s décor (bright patterns, peace signs, and vinyl records)
- Funky outfits and bell-bottom pants
- Classic 70s music hits
How to Decorate:
- Color scheme: Use bright neon colors, including pink, yellow, green, and purple.
- Lighting: A disco ball is a must for this theme, paired with colorful lights to create a party atmosphere.
- Tables: Use metallic or shiny tablecloths and set up plates with psychedelic patterns.
- Dance floor: Set up a designated dance area with a light-up dance floor or glowing tiles.
- Walls: Decorate with funky posters, vinyl records, or peace sign decals.
8. Tropical Luau
Requirements:
- Tiki torches and Hawaiian leis
- Pineapple and coconut decorations
- Tropical fruits and themed cocktails
- Bright floral colors and patterns
How to Decorate:
- Color scheme: Use bright tropical colors like pink, yellow, green, and turquoise.
- Lighting: Tiki torches around the party area for that authentic tropical glow.
- Tables: Set up palm leaves, pineapples, and coconuts as centerpieces.
- Walls: Hang tropical banners or images of beaches, palm trees, and sunsets.
- Photo booth: Create a backdrop of a tropical beach with surfboards, flowers, and leis.
9. Great Gatsby / Roaring ’20s
Requirements:
- Flapper costumes and bow ties
- Jazz music or live jazz band
- Art deco décor (geometric patterns, feathers, pearls)
- Champagne and cocktails
How to Decorate:
- Color scheme: Use black, gold, and silver with plenty of sparkle.
- Lighting: Soft, elegant lighting with vintage lamps or chandeliers.
- Tables: Elegant, crystal glassware with pearl strands and feather centerpieces.
- Walls: Hang large gold-framed mirrors or art deco-inspired artwork.
- Photo booth: Create an opulent backdrop with gold accents, pearls, and feather boas.
10. Black and White Party
Requirements:
- Black and white dress code
- Elegant table settings
- Simple décor (candles, monochrome balloons)
- Black and white desserts
How to Decorate:
- Color scheme: Stick to black and white for all décor, from balloons to tablecloths and plates.
- Lighting: Use soft, romantic lighting or candles to set a chic tone.
- Tables: Use black and white striped tablecloths, black plates with white chargers, and black napkins.
- Walls: Hang black-and-white photos or simple black-and-white posters.
- Party favors: Give guests black-and-white themed gifts like cookies or candy in the same color scheme.
11. Superhero Party
Requirements:
- Superhero costumes for guests
- Action figures or superhero toys as props
- Comic book-inspired decorations
- Capes, masks, and gloves
- Themed photo backdrop with comic speech bubbles
How to Decorate:
- Color scheme: Use primary colors like red, blue, and yellow (typical superhero colors).
- Lighting: Bright spotlights to create a dramatic effect, especially on the “heroic” areas of the venue.
- Tables: Use superhero-themed plates, napkins, and cups. Place comic strips or action figures as table centerpieces.
- Walls: Hang superhero posters, create comic book-style decorations, or use large cutouts of comic book characters.
- Photo booth: Set up a backdrop with large superhero logos or city skylines for dramatic photo opportunities.
12. Survivor Island Challenge
Requirements:
- Outdoor setting (or large indoor space)
- Obstacle course or “Survivor” challenges
- Team color bands or headbands
- Props like torches, tiki lights, and coconuts
- Tropical drinks and snacks
How to Decorate:
- Color scheme: Tropical colors—green, orange, yellow, and blue for a jungle feel.
- Lighting: Use tiki torches and string lights for a camp-like, survival atmosphere.
- Tables: Use large leaves or grass mats for centerpieces. Display tropical fruits and nuts as snacks.
- Games: Create challenges (obstacle courses, trivia, etc.) that guests can compete in as teams.
- Photo area: Set up a “Survivor” logo board for photo ops or a jungle-like background with leaves and vines.
13. Carnival or Circus Theme
Requirements:
- Carnival games (ring toss, bean bag toss, etc.)
- Colorful balloons, streamers, and banners
- Popcorn, cotton candy, and other carnival treats
- Clown or performer entertainers
- Striped tents or circus-themed props
How to Decorate:
- Color scheme: Bold red, yellow, and white stripes for a circus-like feel.
- Lighting: Use bright, fun lights to mimic a carnival atmosphere.
- Tables: Cover tables with bright striped tablecloths. Add small carnival toys, popcorn machines, or mini tents as centerpieces.
- Walls: Hang vintage carnival posters, animal cutouts, and circus-related imagery.
- Games: Set up traditional carnival games like ring toss, ball drop, or a dunk tank.
14. Beach Party
Requirements:
- Beach balls and inflatable pool toys
- Sand, shells, and beach towels
- Tropical cocktails and snacks
- Surfboards or beach umbrellas
- Casual attire (swimsuits, Hawaiian shirts)
How to Decorate:
- Color scheme: Bright, tropical colors like turquoise, yellow, and coral.
- Lighting: Use string lights to mimic a beach sunset or set up tiki torches for an evening beach feel.
- Tables: Decorate with sand, seashells, and small beach chairs as centerpieces. Use beach towels as napkins.
- Photo area: Set up a backdrop with a beach scene (ocean, palm trees) and props like surfboards, sunglasses, and beach hats.
- Entertainment: Play beach music (tropical or reggae) and set up a mini sand pit for games like volleyball.
15. Mexican Fiesta
Requirements:
- Colorful sombreros and maracas
- Mexican food like tacos, quesadillas, and guacamole
- Margaritas or Mexican beers
- Piñata and papel picado (cut-paper banners)
How to Decorate:
- Color scheme: Bright and bold—use reds, greens, yellows, and oranges for a vibrant, festive look.
- Lighting: Use festive string lights and paper lanterns to create a warm and welcoming vibe.
- Tables: Decorate with colorful Mexican blankets or table runners. Use small piñatas or candle holders as centerpieces.
- Walls: Hang papel picado or Mexican flags around the venue.
- Photo booth: Set up a backdrop of a Mexican village scene or a beach setting, with fun props like mustaches and sombreros.
16. Murder Mystery Party
Requirements:
- Mystery game kit or a pre-planned script
- Costume suggestions based on characters (detective, suspects, etc.)
- Clue cards or envelopes for each guest
- Dinner or appetizers to enjoy while solving the mystery
How to Decorate:
- Color scheme: Darker, moody tones like burgundy, black, and gold to set the mysterious tone.
- Lighting: Dim lighting or candles for a more suspenseful atmosphere.
- Tables: Use rich-colored tablecloths, silverware, and crystal glasses. Centerpieces could be clue-related items, like magnifying glasses or antique books.
- Walls: Hang old-fashioned portraits or creepy mirrors for a spooky vibe.
- Photo booth: Create a detective office or crime scene photo setup with themed props (magnifying glasses, trench coats, and hats).
17. Rock ‘n Roll Party
Requirements:
- Classic rock music playlist or live band
- Vintage guitars, records, and posters
- Leather jackets, bandanas, and other rock-inspired clothing
- Cool drinks and classic pub-style appetizers
How to Decorate:
- Color scheme: Use black, red, and metallic colors to create a rock-inspired vibe.
- Lighting: Use dim lighting with bright spotlights to mimic a concert atmosphere.
- Tables: Use records as table centerpieces or classic vinyl album covers.
- Walls: Decorate with posters of legendary bands, guitars, and musical memorabilia.
- Photo booth: Set up a stage backdrop with a faux guitar and microphone for guests to pose like rock stars.
18. 90s Throwback Party
Requirements:
- 90s music playlist (Spice Girls, Nirvana, Backstreet Boys)
- Vintage 90s toys (Tamagotchis, Beanie Babies)
- 90s fashion accessories (flannel shirts, chokers, baggy jeans)
- Posters and memorabilia from the 90s pop culture
How to Decorate:
- Color scheme: Bold neon colors, patterns like checkered floors, and graffiti-inspired designs.
- Lighting: Bright neon lights or string lights to capture the 90s vibe.
- Tables: Use cassette tapes, old-school game consoles, or 90s toy figurines as table centerpieces.
- Walls: Decorate with iconic 90s posters, TV show memorabilia, and music artists’ portraits.
- Photo booth: Set up a 90s-inspired backdrop with famous pop culture references from TV, movies, and music.
19. Glamorous Masquerade
Requirements:
- Elegant masquerade masks
- Champagne or sparkling wine
- Rich fabrics like velvet and satin
- Classical music or opera for ambiance
How to Decorate:
- Color scheme: Use deep, luxurious colors like royal purple, gold, and silver.
- Lighting: Soft, ambient lighting with chandeliers and candlelight for a dramatic effect.
- Tables: Set up tables with dark linens, gold candleholders, and crystal glasses. Add a hint of sparkle with metallic confetti.
- Walls: Hang lavish curtains or drapes with golden accents, and place ornate mirrors around the venue.
- Photo booth: Create a space with elegant masks, feathers, and glittery accessories for dramatic photos.
20. Medieval Fantasy Party
Requirements:
- Knights and princess costumes
- Goblets or medieval mugs
- Fantasy decorations like dragons, castles, and shields
- Themed foods (turkey legs, medieval pies)
How to Decorate:
- Color scheme: Use deep, regal colors like burgundy, gold, and forest green.
- Lighting: Create a dim, candlelit atmosphere to mimic the medieval times.
- Tables: Use wooden or rustic tables, with medieval-themed place settings like tankards, goblets, and gold chargers.
- Walls: Hang shields, banners, and medieval-style tapestries.
- Photo booth: Set up a castle-themed backdrop with props like crowns, swords, and shields for photos.



