Your little boy deserves the best this Halloween! Blink and they'll be all grown up, so while they're still little, find the best Halloween costumes for your kids. So many great TV shows and movies were popular this year. From Star Wars to PJ Masks to throwbacks, we have everything you need this Halloween! Check out our favourite boys costumes for Halloween!

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1. 1920s Gangster Costume

Everyone loves a blast from the past! These classic twenties gangster costumes are so adorable for little boys. You can even reuse the pinstripe suit for other costumes! The bowler hat and red tie add extra fun to this look. Your little boy will look so dapper! Old-school decade costumes like these are super on-trend for Halloween 2021! Check out our other sections like 60s costumes, 70s costumes, 80s costumes, and more for more inspiration!

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2. Star Wars Costume

May the force be with you! There's always a new popular Star Wars movie—this year, we were all excited about The Mandalorian on Disney+. If your little boy loves Star Wars, this is the perfect costume for him this Halloween! From Luke Skywalker and Darth Vader to Finn and Poe from the newer movies, Star Wars costumes are universally great. Get your whole family in on it for a group costume!

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3. Vampire Costume

Vampire costumes are so classic for Halloween 2021! Go back to the roots of spooky season and check out some vampire costume ideas. Your child could be a scary vampire, a ghost vampire, a vampire groom, or even a nice vampire! These costumes are so easy and fun. Get some special accessories like a cape and fangs!

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4. PJ Masks Costume

If you've got a little boy in your home, chances are that you've heard all about PJ Masks. These nighttime superheroes are all the rage with children all over the world! Whether your child wants to be Catboy, Gekko, Romeo, or even Owlette, we've got the costume for you! Your little boy can save the world in his pyjamas this Halloween, and have a great time doing it.

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5. Pirate Costume

Aye, matey! It's always a great time for a pirate costume, but especially Halloween 2021! Everyone loves this classic costume. Don't walk the plank, just get a pirate costume! These looks make for great photo-ops if you live near a body of water. If your little boy loves Pirates of the Caribbean, this is the perfect Halloween costume!

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6. Spider-man Costume

Whether your favourite Spider-man is Tom Holland, Andrew Garfield, Tobey Maguire, or the cartoon, this costume is for you! Spider-man costumes always look great, and they're perfect for those chilly Halloween nights where your child needs long sleeves and pants. Your little boy can channel his inner Avenger this Halloween! He'll look big and strong, but in your eyes he just looks cute as a button.

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7. Dragon Costume

There are so many dragon movies these days—How to Train Your Dragon, The Hobbit, and more. Throw Game of Thrones into the mix and you've got a dragon frenzy! Dragon costumes are a classic for any child who wants to be ferocious. This costume idea is great because it's super customizable. Your little boy can be a red dragon, a blue dragon, a dragon that can fly... but at the end of the day, he just wants to breathe fire!

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8. Batman Costume

The new Robert Pattinson Batman movie looks amazing! Especially the costumes. That's why for Halloween 2021, Batman costumes are so popular! Everyone loves this classic superhero. The all-black look is perfect for kids who like to keep it lowkey. Dress up your little boy in a Batman costume, and don't forget the cape!

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9. Ghostbuster Costume

Who ya gonna call? These Ghostbusters costumes are perfect for any little boy on Halloween! Whether your child wants to be a Ghostbuster or a ghost, these costumes will shine on Halloween 2021. This group costume is also a great idea! Paul Rudd will star in the new movie in 2021, Ghostbusters: Afterlife. Get your Ghostbusters costume now before it's too late!

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10. Banana Costume

Is your little boy the class clown? If so, this banana costume is perfect for him! Your child can be as silly as they want in a banana costume on Halloween 2021. It's perfect for school events, and appeel-ing to keep and hand down to your friends! If your family has a great sense of humour, check out our section full of funny costumes. You and your family can be a whole banana split!

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11. Circus Ringleader Costume

There have been so many great circus movies lately! From The One and Only Ivan to The Greatest Showman, everyone loves these amazing stories. Dress up your little boy as a ringleader, or ringmaster, this year! We have tons of circus-themed costumes just for you. If you want to do a family group costume, you can be the whole circus!

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12. Toy Story Costume

Your little boy will go "to infinity and beyond" in an amazing Toy Story costume! This classic Pixar movie is every kid's favourite. Woody, Buzz Lightyear, Duke Caboom—there are so many characters that your little boy can choose from. Go for a matching Toy Story costume this Halloween, just like this cute family! You can also have a fun Toy Story movie night.

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What's your favourite Halloween costume for boys? No matter what, your child is going to look adorable this Halloween! Check out our boys section for more. 

If you have more kids of different ages, check out our toddler boy costumes, baby costumes, and girl costumes!

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