Costumes Starting with A
Costumes Starting With A: 75+ Amazing Costume Ideas for Parties, Halloween, and Dress Up
Trying to think of costumes starting with A? Whether you’re heading to an alphabet party, planning a Halloween costume, competing in a themed dress-up event, or just looking for a creative idea, there are plenty of fantastic costumes that begin with the letter A.
From superheroes and animals to historical figures, fairy tale characters, and easy DIY outfits, this list has something for everyone. Some costumes are quick to pull together with items you already own, while others are perfect if you love going all out.
No matter your age or budget, these costume ideas will help you stand out for all the right reasons.
Angel
An angel costume is one of the easiest and most recognizable choices. A white dress or robe, a halo, and a pair of wings instantly create the look. Add glittery makeup or a gold belt for an extra heavenly touch.
Alien
Go green, silver, or metallic and create your own out-of-this-world character. Face paint, antennae, and futuristic accessories make this costume fun for both kids and adults.
Astronaut
Blast off with a space-themed costume. A white jumpsuit, NASA patches, boots, and a homemade helmet can transform you into an astronaut ready for launch.
Adult Astronaut Costume
Kids NASA Astronaut Costume
Apple
A bright red apple costume is cute, colorful, and simple to wear. It’s especially popular for school events, book week, and family-friendly Halloween parties.
Avocado
Food costumes never go out of style, and an avocado is guaranteed to get compliments. Pair a green outfit with a cardboard avocado front for an easy DIY version.
Alligator
Dress in green from head to toe and add a long tail, felt spikes, and a crocodile mask. This works well for kids or adults who enjoy playful costumes.
Archer
Become a skilled archer with a tunic, boots, belt, and toy bow and arrow. You can create a medieval hunter or take inspiration from famous archers in movies and television.
Ant
An ant costume is surprisingly easy. Wear black clothing, add six legs made from stuffed tights, and finish with antennae on a headband.
Ape
A furry ape costume is perfect for jungle or animal-themed parties. Complete the look with face paint and oversized hands.
Ape/Gorilla Costume StandardHalloween Inflatable Costume Adult
Acrobat
Channel circus vibes with bright leggings, a sparkly top, suspenders, and fun makeup. Add a toy balance beam or juggling balls as accessories.
Assassin
A hooded cloak, dark clothing, gloves, and boots make this mysterious costume ideal for older teens and adults attending costume parties.
Admiral
An admiral costume features a navy-inspired jacket, medals, white pants, and a captain’s hat. It’s a smart-looking outfit that works well for themed events.
Aviator
An aviator costume never goes out of style. Pair a bomber jacket with aviator sunglasses, a scarf, boots, and a pilot cap for a classic vintage look.
Alpaca
A fluffy alpaca costume is both adorable and comfortable. Wear cream-colored clothing with fluffy fabric and cute ears to complete the outfit.
Funny 2-Person Inflatable Alpaca Costume
Armadillo
This unique costume can be made using cardboard scales painted in shades of gray and brown. It’s a great option if you enjoy DIY projects.
Acrobat Performer
Add sequins, colorful tights, face gems, and dramatic makeup to create a circus performer ready for the big show.
Android
Dress in silver or chrome clothing and use metallic face paint to become a futuristic android. Add glowing accessories for an even cooler effect.
Anchor
Think outside the box by becoming an anchor. Wear navy clothing and attach a large cardboard anchor to the front of your outfit.
Air Hostess
A vintage flight attendant costume is stylish and elegant. Pair a tailored skirt, scarf, hat, and carry-on bag to finish the look.
Retro Stewardess CostumeHalloween Air Hostess Costume
Artist
Grab a paint-splattered apron, a beret, and a paint palette for a fun and recognizable artist costume. Carry a paintbrush and canvas for extra detail.
Athlete
Choose your favorite sport and dress as an athlete. Football, basketball, tennis, soccer, baseball, gymnastics, or swimming all make excellent costume ideas.
Anubis
Inspired by ancient Egyptian mythology, Anubis is the jackal-headed god of the afterlife. Black clothing, gold accessories, and a jackal mask create an impressive costume.
Asterix
Fans of the classic comic books will recognize Asterix immediately. His winged helmet, tunic, and mustache make this a nostalgic costume choice.
Alice in Wonderland
Alice is one of the most beloved costume ideas starting with A. A blue dress, white apron, black shoes, and headband complete this timeless look.
Ariel
Disney fans will love dressing as Ariel from The Little Mermaid. Choose either her signature mermaid tail or her blue village dress.
Ariel / Mermaid CostumeThe Little Girls Mermaid Princess Costume
Anna
Princess Anna from Frozen remains a favorite costume for children and adults alike. Her colorful dress and braided hairstyle make her instantly recognizable.
Ash Ketchum
Pokémon fans can become Ash with a red cap, blue jacket, gloves, and a Poké Ball.
Arthur
King Arthur is perfect for medieval-themed parties. A royal cape, sword, crown, and tunic complete the legendary look.
Aladdin
This Disney favorite is bright, colorful, and easy to recreate with a vest, loose pants, sash, and fez.
Aquaman
Superhero fans can suit up as Aquaman with green pants, gold armor, and his famous trident.
Ant-Man
Marvel fans will enjoy becoming the tiny superhero. You can buy a jumpsuit or create your own with black and red athletic clothing.
Ace Pilot
Dress in a military flight suit with aviator sunglasses and pilot wings to become a decorated ace pilot.
Air Traffic Controller
Wear a reflective vest, headset, clipboard, and sunglasses for a clever aviation-themed costume.
Astronomer
Carry a telescope and wear a lab coat or vintage-style jacket to become an astronomer studying the stars.
Archaeologist
An archaeologist costume is practical and fun. Khaki clothing, boots, a satchel, map, and toy fossil create the perfect explorer look.
Adventurer
Think rugged explorer with cargo pants, hiking boots, backpack, compass, and binoculars.
Amazon Warrior
Inspired by ancient mythology, this costume includes armor, boots, wrist cuffs, and a toy sword or spear.
Acrobat Clown
Combine circus colors with oversized shoes, suspenders, and playful makeup for a cheerful costume.
Albino Tiger
White clothing with black stripes creates a striking tiger costume that stands out from traditional orange versions.
Arctic Explorer
Bundle up in winter gear with faux fur trim, snow boots, goggles, and a map for a chilly adventure theme.
Arctic Fox
White fluffy clothing, fox ears, and a bushy tail make this elegant animal costume both cozy and adorable.
Angel of Darkness
Give the classic angel costume a spooky twist by swapping white wings for black ones and adding dramatic makeup.
Alien Queen
Go beyond the basic alien costume with elaborate makeup, metallic accessories, and a dramatic cape.
Air Guitar Rockstar
Grab a leather jacket, sunglasses, wild wig, and inflatable guitar to become the ultimate air guitar champion.
Arcade Gamer
Celebrate retro gaming with colorful clothing inspired by the 1980s, pixel accessories, and a handheld game console.
Anime Character
Choose your favorite anime hero or heroine and recreate their signature outfit, hairstyle, and accessories.
Army Soldier
Camouflage clothing, combat boots, dog tags, and a cap make this classic costume easy to assemble.
Apple Pie
This funny food-themed costume combines an apple costume with pie-inspired details for a unique twist.
Apricot
Dress in peach and orange clothing with green leaves to create this sweet fruit costume.
Almond
Create a simple nut costume using brown clothing and a cardboard shell shape attached to the front.
Halloween Almond Mascot Costume
Accordion Player
Pair suspenders, a hat, and a toy accordion for a charming musician-inspired costume.
Acrobat Monkey
Combine circus attire with monkey ears and a tail for a playful hybrid costume.
Arm Wrestler
Wear a sports singlet, add fake oversized muscles, and carry a trophy to create a humorous costume.
Airport Traveler
Rolling suitcase, passport, neck pillow, and vacation clothes make this an easy last-minute costume.
Award Winner
Walk around holding a fake trophy while wearing formal clothes and acceptance speech notes for a funny costume idea.
Alien Scientist
Mix a lab coat with futuristic goggles and metallic makeup for a creative sci-fi twist.
Alphabet Letter A
Sometimes the simplest ideas are the best. Dress entirely in one color and wear a giant letter A attached to your shirt.
Angel Fish
Combine an angel costume with colorful fish fins for a creative ocean-inspired look.
Axolotl
This adorable amphibian has become incredibly popular. Pink clothing, feathery gills, and a smiling face make an unforgettable costume.
Inflatable Axolotl Costume for KidsAxolotl Costume
Alpaca Farmer
Pair overalls with a straw hat and carry a stuffed alpaca for a charming country-inspired outfit.
Air Balloon Pilot
Dress as an old-fashioned hot air balloon pilot with goggles, scarf, boots, and a toy balloon basket.
Antique Doll
Vintage dresses, porcelain-style makeup, and curled hair create a beautifully eerie costume.
Acrobat Ringmaster
Mix a circus ringmaster jacket with acrobat accessories for a bold performance-inspired outfit.
Autumn Fairy
Celebrate fall with leaves, earthy colors, fairy wings, and floral accessories.
Apple Tree
Attach felt apples and green leaves to brown clothing for a fun nature-themed costume.
Book Character Apple Tree Costume
Arctic Hare
White fluffy clothing, bunny ears, and oversized feet create this winter-inspired animal costume.
Airplane
Create a cardboard airplane around your waist for a costume that’s guaranteed to turn heads.
Astral Wizard
Mix stars, moons, capes, and magical accessories for a celestial wizard costume.
Ancient Greek
A toga, sandals, and a laurel wreath create a timeless costume inspired by ancient Greece.
Ancient Roman
Dress as a Roman citizen or soldier with a tunic, sandals, armor, and a decorative helmet.
Arabian Prince
Flowing robes, a sash, and jeweled accessories make this costume elegant and eye-catching.
Arctic Wolf
Gray and white faux fur, wolf ears, and face paint transform you into one of the Arctic’s most beautiful animals.
Air Force Pilot
A flight suit, patches, sunglasses, and boots make this another great aviation-themed choice.
Astral Traveler
Use galaxy-themed clothing, glowing stars, and shimmering makeup to create a magical cosmic look.
Apple Juice Carton
This funny DIY costume is easy to make from cardboard and craft supplies and is sure to get laughs.
Aqua Diver
A wetsuit, snorkel, goggles, and swim fins instantly create the look of an underwater explorer.
Art Teacher
Wear a colorful apron covered in paint splatters and carry sketchbooks, pencils, and paintbrushes for a creative costume.
Acrobat on Stilts
Skip the actual stilts and use striped pants with oversized shoes to create the illusion of extra height safely.
Silver Stilts WalkerAdjustable Walkaroo Xtreme Steel Stilts for KidsMirror Man Costume Stilts Walker
Tips for Choosing an Alphabet Costume
If you’re heading to an alphabet-themed party, keep these tips in mind:
- Pick a costume that’s easy for people to recognize.
- Choose something comfortable enough to wear for several hours.
- Add accessories that make your character instantly identifiable.
- Consider DIY options if you’re on a budget.
- Coordinate with friends if you’re attending as a group for even more fun.
Whether you want something funny, spooky, glamorous, or completely unexpected, these costumes starting with A offer plenty of inspiration. From classic characters like Alice in Wonderland and Ariel to unique ideas like Axolotl, Apple Juice Carton, and Astral Wizard, there’s an A costume for every personality and every type of party.
The best costume is one that makes you smile and helps you enjoy the celebration. So choose your favorite, add your own creative twist, and get ready to impress everyone at your next alphabet party or Halloween event.
