Halloween Costume Ideas for When You Don’t Know What to Wear

Choosing a Halloween costume sounds easy until it's actually time to pick one. One minute you're scrolling Pinterest convinced you've found the perfect idea, and the next you've saved 100 costumes without making a single decision.

If you don't know what to wear this Halloween, you're in the right place. From nostalgic movie characters and TV favorites to funny DIYs and pop culture-inspired looks, these 25 Halloween costume ideas are fun, creative, and easy to recreate for your Halloween party, night out, or last-minute plans.

This post may include affiliate links. That means if you buy something through one of our links, we might earn a small commission, at no extra cost to you.

1. Princess Diaries

A Princess Diaries costume is a fun choice for anyone who grew up loving the movie. All you need is a white strapless dress, a sparkling tiara, satin opera gloves, tiny black sunglasses, and wired headphones to recreate Mia Thermopolis' unforgettable royal makeover.

2. Tooth Fairy

A Tooth Fairy costume is a fun twist on a classic fairy look that's perfect if you want something creative for Halloween. Pair a white dress with fairy wings and a sparkling tiara, then add dollar bills, and a pair of pliers to give this sweet costume an unexpectedly spooky finish.

3. Oscar the Grouch

An Oscar the Grouch costume is a fun DIY idea that's perfect if you want something creative and a little unexpected for Halloween. Start with green clothing, add a shaggy green cardigan, make a simple trash can lid hat, and finish the look with Oscar's signature face for an instantly recognizable Sesame Street costume.

4. Burglar

A burglar costume is one of those classic Halloween ideas that's simple to put together with pieces you may already own. A striped top, black jeans, a beanie, a black eye mask, and a tote bag are all you need to create this easy last-minute costume with a playful twist.

5. Sandy Cheeks Spongebob

A DIY Sandy Cheeks costume is a fun choice for anyone who grew up watching SpongeBob SquarePants. Start with a white bodysuit, then add squirrel ears, a fluffy tail, white gloves, an acorn badge, and a homemade helmet with Sandy's signature pink flower to bring the character to life.

6. Scarecrow

A scarecrow costume is a Halloween classic that's cozy, cute, and incredibly easy to put together. Grab a flannel shirt, your favorite pair of jeans, a straw hat, and add a little stitched makeup with pieces of raffia to create this simple fall inspired look.

7. Goldfish in a Bag

A goldfish costume is a funny DIY idea that's guaranteed to stand out on Halloween. Start with a blue dress, add a goldfish graphic to the front, and wrap a clear plastic bag or transparent poncho around your shoulders to create the illusion of a pet goldfish still in its bag.

8. Snail

This one is a funny and creative idea that's surprisingly easy to make at home. Wear neutral colored clothes, create a large spiral shell from kraft paper, and finish the look with homemade eyestalks on a headband for a costume that's simple, affordable, and guaranteed to stand out.

9. Cruella Deville

A Cruella costume is perfect if you love bold fashion and classic Disney villains. Pair a black dress with a faux fur Dalmatian coat, long red gloves, and Cruella's signature half-black, half-white wig to recreate this iconic Halloween look.

10. Garden Gnome

A garden gnome costume is a playful Halloween idea that's easy to recreate with a few colorful accessories. Pair a floral top with tall boots, add a bright red pointed hat, and finish the look with flowers and other whimsical details to bring this adorable garden character to life.

11. Audrey Hepburn

An Audrey Hepburn costume is perfect if you love classic Hollywood style and timeless Halloween looks. Pair a simple black dress with long opera gloves, a pearl necklace, a tiara, and an elegant updo to recreate her iconic Breakfast at Tiffany's look.

12. Darla Finding Nemo

A Darla costume is a funny choice for Disney and Pixar fans who want something a little different for Halloween. Recreate her unforgettable look with a purple sweatshirt, a pleated skirt, pigtails, a fish bag, and fake braces or a headgear accessory to bring the chaotic Finding Nemo character to life.

13. Trinity

If you're a fan of The Matrix and want a sleek, instantly recognizable Halloween look, pair black leather pants with a fitted black top, tall boots, black sunglasses, and a utility belt or holster to recreate the iconic hacker's signature style.

14. Beatrix Kiddo - Kill Bill

Kill Bill fans will instantly recognize The Bride's iconic yellow jumpsuit. Pair it with a samurai sword and a few fake blood splatters to recreate Beatrix Kiddo's unforgettable look for Halloween. 

15. Tomb Raider

Tomb Raider with Lara Croft's iconic action hero look. A black tank top, black shorts, combat boots, fingerless gloves, thigh holsters, and toy prop pistols are all you need to recreate this legendary video game character.

16. Patrick Star

Bring everyone's favorite pink starfish to life with this fun Patrick Star costume inspired by SpongeBob SquarePants. Pair a pink top with Patrick's signature green shorts, then finish the look with a pink cone hat, fishnet tights, and over the knee boots for a playful Halloween outfit that's sure to get laughs.

17. Belatrix Lestrange

Harry Potter fans will instantly recognize Bellatrix Lestrange's dark and unforgettable style. Pair a long black dress with a corset belt, a wild curly wig, dramatic smoky makeup, and Bellatrix's signature necklace to recreate one of the series' most iconic villains for Halloween.

18. The Sims Burglar

If you've spent countless hours playing The Sims, you'll instantly recognize the game's infamous burglar. Recreate this nostalgic Halloween costume with a striped shirt, a black eye mask, a beanie, and a green Plumbob headband to bring one of the most memorable Sims characters to life.

19. Mulan's Matchmaker

Bring one of Disney's funniest characters to life with this DIY Matchmaker costume from Mulan. Pair a purple robe with dramatic smeared makeup, a painted mustache, and oversized earrings to recreate the unforgettable scene where everything goes hilariously wrong.

20. Peak Blinders

Step into the world of Peaky Blinders with this classic costume inspired by the show's unforgettable style. Pair a three-piece suit with a long coat, a newsboy cap, leather gloves, and a fake cigarette to recreate the sharp look made famous by the Shelby family.

21. Fairy Godmother - Shrek

If you're looking for a nostalgic movie inspired costume, the Fairy Godmother from Shrek 2 is such a fun pick. Pair a sparkly red dress with a lavender wig, red glasses, statement earrings, and a star wand to bring the character to life.

22. Paddington Bear

If you grew up reading the books or watching the movies, Paddington Bear makes such a cute and nostalgic Halloween costume. Pair a navy duffle coat with a red bucket hat, bear ears, a "Please Look After This Bear" luggage tag, and a little suitcase to recreate the beloved character's signature look.

23. tittle

If you grew up watching Teen Titans, Raven is an iconic Halloween costume that's instantly recognizable. Pair a black bodysuit with a purple cape, knee high boots, and Raven's signature red gemstone accessories to recreate the powerful superhero's classic look.

24. Duolingo Mascote

If Duolingo notifications have been haunting you all year, this costume is for you. A bright green dress, feather trim, orange tights, and the iconic Duo owl face are all you need to recreate everyone's favorite language-learning mascot.

25. tittle

Russell from Up is one of Pixar's most lovable characters, making him such a fun Halloween costume. Pair a yellow cap with a tan top, an orange neckerchief, and a sash full of adventure badges to recreate the enthusiastic Wilderness Explorer.

Whether you decide to recreate a nostalgic movie character, dress up as your favorite TV icon, or try a funny DIY costume, the best Halloween costumes are the ones you have fun wearing. Hopefully, these Halloween costume ideas helped you find the inspiration you needed for this year.