Best* Dog Halloween Costumes

Here are some of the best-selling dog costumes for Halloween, parties or just when you need a smile. Including dog costumes for large dogs and small, this list contains some of the outfits purchased most often by Petco’s pet parent customers. Once you’ve selected a costume for your pet, check out our selection of Halloween dog toys.

 

Pet parent faves

Find a fun outfit for your pet from our list of best-selling dog costumes that have been purchased most frequently by Petco pet parent customers.

Bootique Crooked Cutie Prisoner Pet Costume

Bootique

Crooked Cutie Prisoner Pet Costume

This adorable prison uniform is one of our great dog costumes for small dogs and large ones, as it comes in a size appropriate for nearly every size and breed canine. This three-piece costume can be great for dogs and a common enough outfit that pet parents can dress up with and match their dog. At Petco, it’s available in sizes small enough that even your pet cat can participate in the fun. This dog costume comes with a striped prison cap, a striped shirt with a “Pet-itentiary Prisoner” patch on the back and a sign that you can hang around their neck that allows you to write in their custom crime.

Features:
  • Available in eight sizes ranging from XX-Small to 3X-Large
  • Three-piece costume with customizable crime board
  • Can be used for canines or felines
  • Made from soft materials

Bootique Buzzn’ Bee Dog Costume

Bootique

Buzzn’ Bee Dog Costume

Your pup can be the queen bee for a day in this funny Halloween costume for dogs of all sizes. Even humans dressed up as bees may be envious of this three-piece costume that includes a plush headband that features antennae and a crown, soft and light elastic wings that can be worn over your pet’s shoulders and midsection and a striped skirt with “Bow Down Witches” printed on the back. This dog costume is made from durable materials so that—if properly taken care of—it can last for a few trips trick or treating.

Features:
  • Available in eight sizes ranging from XX-Small to 3X-Large
  • Three-piece costume with headband, wings and skirt
  • Can be used for canines or felines
  • Made from soft, durable materials and elastic

Bootique Dinosaur Roar Pet Costume

Bootique

Dinosaur Roar Pet Costume

Some of the best dog costumes for Halloween show off just how adorable your pet is when they’re trying to look ferocious. Dress your pup as one of the fiercest creatures to ever walk the earth in this comfortable and plush dinosaur dog costume and enjoy the smiles on the faces of your family and friends. The costume is made from soft and smooth materials and features one piece that can be comfortably wrapped around your pet’s underside and secured with a hook-and-loop closure. The dinosaur’s mouth sits like a hood on top of your pet’s head, and pet parents can tuck their pup’s tail into the tail of the costume.

Features:
  • Available in eight sizes ranging from XX-Small to 3X-Large
  • Wraparound one-piece costume
  • Features hook-and-loop closure for easy access
  • Made from soft materials and plush interior lining

Bootique Ghost Town Clown Pet Illusion

Bootique

Ghost Town Clown Pet Illusion

For those pet parents who want to add a bit of diabolical fun to their dog’s costumes, this homicidal clown outfit is a great option. This illusion costume features a colorful clown wig with an elastic band and a fake clown body that attaches to their front with a hook-and-loop closure. Your pup’s legs fit in a sleeve attached to the costume’s legs so that they move in unison, and the costume’s hands hold a soft cloth knife to complete the illusion. The cuter the dog, the sillier this funny Halloween costume becomes, and it even works as a costume for cats.

Features:
  • Available in eight sizes ranging from XX-Small to 3X-Large
  • Two-piece costume with fake front and colorful wig
  • Features hook-and-loop closure for easy access
  • Illusion costume features fake front to fool friends, but leaves dog’s hindquarters free

Bootique Born to Unicorn Pet Hoodie

Bootique

Born to Unicorn Pet Hoodie

Now your pup can look like the special unicorn you see them as with this hoodie dog Halloween costume. This one-piece wraparound hoodie is made from plush materials and features a hood complete with golden ears and a horn and a rainbow mane and tail. This costume’s hood makes it exceptionally versatile—it features drawstrings to help you cinch the hood tighter for dogs that like more security, or flip it back completely if it bothers your canine. Its versatility and the warmth it can provide don’t just make it a great dog costume for Halloween—your pet can wear it out in colder weather or snuggled up on the couch.

Features:
  • Available in seven sizes ranging from X-Small to 3X-Large
  • One-piece costume pulls over for easy access
  • Loose-fitting for pets who dislike tighter clothes
  • Makes a great costume or a sweatshirt for cold weather

Bootique Gnome Sweet Gone Dog Illusion Costume

Bootique

Gnome Sweet Gone Dog Illusion Costume

Have you ever wondered what your pup would look like with a snowy white beard? Now you can find out with this plush, adorable and funny Halloween costume. One of the more elaborate illusion costumes available at Petco, this two-piece dog costume makes it look like your dog is a sweet gnome carrying a flowerpot with their gnome friend on their rear. It’s made from breathable materials and secures with a hook-and-loop strap on the underside and around the legs. While it might not be appropriate for pets who don’t like extra weight on their backs, it’s certainly one of the more eye-catching illusion costumes available.

Features:
  • Available in seven sizes ranging from X-Small to 3X-Large
  • Two-piece costume features gnome hat with attached beard and body piece with gnome attachments sewn on
  • Can be used for canines or felines
  • Made from soft and breathable materials

DC Comics Justice League Wonder Woman Pet Suit

DC Comics

Justice League Wonder Woman Pet Suit

At Petco, our selection of dog costumes for Halloween wouldn’t be complete without a few superhero pet suits. This two-piece Wonder Woman suit is made from shiny pleather that’s sure to catch the attention of any comic book or superhero movie fans that you meet. Pleather also means that it’s likely to remain in good condition longer than suits made of other materials. It comes complete with a retro replica of Wonder Woman’s suit and golden tiara—both of which attach with stretch knit straps that allow for a comfortable fit.

Features:
  • Available in five sizes ranging from X-Small to X-Large
  • Two-piece pet suit comes with dress and tiara hat
  • Officially licensed DC Comics pet suit
  • Made from durable and colorful pleather patchwork

Bootique Panda Bear Pet Illusion Costume

Bootique

Panda Bear Pet Illusion Costume

As if your pup wasn’t already cute and cuddly, they can become downright irresistible in this panda dog costume. It’s made from such soft and plush material, your pet might get mistaken for a plush toy. The one-piece outfit wraps around the front of your dog and is secured by hook-and-loop closure to help with easy access. While the thick suit can help keep your dog’s front warm, it leaves the rear part of their body free for tail wags and pets. Help your pet become the top-dog on Halloween—at least when it comes to cuteness—with this plush costume from Bootique.

Features:
  • Available in eight sizes ranging from XX-Small to 3X-Large
  • One-piece costume secured by hook-and-loop closure
  • Made from plush and warm materials
  • Great dog costume for small dogs or large

Bootique Victorious Viking Pet Headpiece

Bootique

Victorious Viking Pet Headpiece

Even if your canine doesn’t like wearing clothes on their body, there are still plenty of funny Halloween costumes available to them. This one-piece Viking dog costume features a helmet and burly beard that attaches around your pet’s head with adjustable elastic straps. Your dog can wear the headpiece tight or loose depending on their preference. Watch your pup raid the dog treat jar this Halloween in this cute and fluffy costume that comes in two sizes that should fit dogs of any size.

Features:
  • Available in two sizes: Small/Medium or Large/X-Large
  • One-piece costume features a shiny helmet with horns and attached soft beard
  • Features adjustable elastic straps for increased comfort and custom fit
  • Headpiece costume for dogs that dislike clothes

Bootique Banana Split Pet Costume

Bootique

Banana Split Pet Costume

Your dog may look so cute in this banana dog Halloween costume that you might feel the urge to eat them up. This one-piece costume wraps around the back of your pup and secures with hook-and-loop closures. While it may look like the suit features a hood, it will allow your pet’s head to remain free and uncovered. Its small size is a great option for canines who dislike full-body dog costumes. Pet parents can even find an ice cream costume to complement their pet and complete the banana split theme.

Features:
  • Available in eight sizes ranging from XX-Small to 3X-Large
  • One-piece costume features wraparound banana suit
  • Minimal coverage on your pet’s skin and body
  • Fastens with hook-and-loop closure for easy access

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Learn More About Dog Costumes

That can depend on the personality and temperament of your pet. Some dogs enjoy the warmth or attention that some of the best dog costumes provide.

At Petco, we offer a variety of costumes designed to look great on any pup. Bootique has some great options for dog costumes—whether you’re looking for something scary, cute, ornate or simple. Your dog’s comfort should be a priority but finding an outfit your pet looks great in can also be important.

Some of the best dog costumes purchased by our pet parents are on this list of best-sellers—but just like with human outfits, the most popular typically change from year to year. Browse our selection to see what the most popular dog Halloween costume could be this year.

*Based on petco.com sales data.