Best Costumes for Large Dogs

Updated: August 5, 2022

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With Halloween right around the corner, dog owners are on the hunt for this year’s award-winning costume for their dogs. If you have a large dog, know it deserves a costume that’s ideal for a large dog. We have reviewed some of the best costumes for dogs, and here are the top picks for large dogs.

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#1 Overall Best: Petitebella Ghost Dog Dress

Your dog will be the cutest pooch around on Halloween in this ghost costume from Petitebella. The black and white costume is designed like a dog dress, and the ghost’s face, which goes over a dog’s back, features a wide-opened, surprised mouth with large black eyeballs. The cute skirt has black and white stripes and is adorned with a small black bow.

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The cotton material means it’s super soft and comfortable against your dog’s skin. It is also lightweight and a much better option for warmer climates than many other heavier costumes.

With seven different sizes available, you should be able to find the perfect fit for your pooch. The seven sizes (X-small, small, medium, large, X-large, XX-large, and XXX-large) fit dogs with a chest girth between 11.4 and 27.5 inches, a neck girth between 7.1 and 16.5 inches, and a back length between 7.5 and 21.3 inches.

Best Ghost Costume
Petitebella Ghost Face Dog Dress

•Cute but funky dog ghost dress

•Comfortable

•Size XS-XXXL

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2. Best UPS Dog Costume: California Costumes UPS Pet Costume

With this costume from California Costumes, your pup will look just like a UPS delivery driver ready to make a special delivery. The step-in outfit is the same brown color that UPS carriers wear and even includes sewn-on arms holding a small box with the UPS logo. A brown UPS hat is also included with the costume for a more complete look.

The outfit secures around a dog’s neck to keep it in place. You can also remove the package from the dog’s “hands.”

Choose from small, medium, and large sizes for this costume. Dogs with a neck circumference between 12 and 14 inches and a chest circumference between 16 and 20 inches should fit in the size small, dogs with a neck circumference between 14 and 16 inches and a chest circumference between 20 and 24 inches should fit in a medium, and dogs with a neck circumference between 18 and 20 inches and a chest circumference between 24 and 28 inches should fit in a large.

Best UPS Costume
California Costume Collections UPS Dog Costume

•Step-in UPS costume for dogs

•Package is removable

•S-L sizes


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3. Best Dog Shark Costume: Mogoko Dog Shark Costume

This dog shark costume from Mogoko is sure to transform your dog into the cutest shark in the neighborhood. It is available with either a blue or gray color for a customized look that will coordinate with your dog’s fur color and/or the costumes of other family members. The jaws hood pulls over a dog’s head to make them look like they have real shark teeth.

The costume features an inner microfiber material to ensure comfort against a dog’s skin and outer soft velvet material. These materials are both warm and cozy, making this costume a better choice for cooler fall or winter weather.

You’ll find that this costume is easy to put on your dog. It is designed with elastic and four button closures, so you’ll be able to get your pup dressed quickly and get them out of the costume when they’ve had enough.

This shark costume comes in eight different sizes to fit dogs with a neck girth between 9.4 and 21.2 inches and a chest girth between 13 and 30.3 inches.

Overall Best
Mogoko Funny Dog Shark Costume
  • Available in gray or blue
  • The hood pulls down to make it look like your dog has real shark teeth
  • Features inner microfiber for comfort
  • Outer material is soft velvet
  • Easy to put on with elastic and button closures
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This simple lion mane costume can quickly transform your dog from Fido to ferocious. The mane simply slips over a dog’s head and has an adjustable elastic strap to ensure a secure strap. It is designed to fit medium- to large-breed dogs with a neck circumference between 15.75 and 30 inches, including Mastiffs, Beagles, Cattle Dogs, Great Pyrenees, and other similarly-sized dogs.

4. Best Dog Lion Costume: RWM Dog Lion Mane Costume

This golden-colored wig looks very realistic. Two ears are also integrated into the design for an even more realistic look. RWM also includes a free tail puff with each mane to make a dog’s tail look more like a lion’s tail.

RWM used top-quality materials and kept safety in mind when making this wig. It is crafted using non-toxic materials.

Best Lion Costume
Rwm Dog Lion Mane Costume

•Slip-on lion's mane costume

•Medium-Large sizing

•Tail puff optional

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5. Best Dog Dinosaur Costume: California Costumes Dog Pupasaurus Costume

The Pupasaurus Rex costume from California Costume Collections is our top pick. This costume will transform your cuddly canine into a ferocious, but still cute, raptor!

This is a 2-piece set that includes a whole-body, foam-padded dinosaur costume with a long raptor tail and a separate raptor headpiece.

The Pupasaurus Rex costume is available in small, medium, and large sizes to fit dogs between 12 and 20 inches long with a neck circumference between 12 and 20 inches and a chest circumference between 16 and 28 inches.

Best Lion Costume
Rwm Dog Lion Mane Costume

•Slip-on lion's mane costume

•Medium-Large sizing

•Tail puff optional

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6. Best Dog Tiger Costume: Dr. NONO Dog Tiger Costume

This tiger costume from Sweet Pet Garden is our top choice for a few different reasons. First, we love the orange color and realistic-looking tiger print. We also really like the hoodie design that gives the dog tiger ears without fully covering its face and making it uncomfortable.

Another thing we really like about this option is the soft velvet and polyester fabrics that were chosen for the costume. Not only does the costume feel like it will be comfortable for a dog to wear, but it also feels well-made to withstand the test of time.

This costume can be hand-washed or cleaned in the washing machine, which certainly makes things easier. It comes in a size medium, which is designed to fit dogs who weigh between 5.5 and 8.5 pounds, with a back length of around 12.2 inches, a chest girth of around 18.5 inches, and a neck girth of around 14.1 inches.

Best Lion Costume
Rwm Dog Lion Mane Costume

•Slip-on lion's mane costume

•Medium-Large sizing

•Tail puff optional

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6. Best Dog Batman Costume: DC Comics Batman Harness

With this Batman Harness from DC Comics, not only can you dress your dog up as Batman, but you can also easily keep your pup on their leash while you’re out. This is a harness that doubles as a Batman costume with its black cape and signature yellow Batman logo. There is an additional Batman logo on the front of the harness that will be displayed on the dog’s chest when they’re wearing it.

The harness is made from a heavy-duty, yet lightweight and comfortable fabric. It also has a mesh lining to keep dogs from getting too warm.

The metal D-ring is strong and secure to keep your pup safely hooked to their leash. This harness is available in three different sizes (small, medium, and large) for dogs with a neck circumference between 6.5 and 10 inches, a chest circumference between 15 and 24 inches, and a back length between 9 and 17 inches.

Best Batman Costume
DC Comics Batman Harness for Dogs

•Batman-themed harness for dogs

•S-L sizes

•Double-logo

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7. Best Chucky Dog Costume: California Costumes Deadly Doll Dog Costume

Your dog will look just like Chucky with this costume from California Costumes. The outfit’s step-in design will make it quick and easy to get your dog dressed and ready to go trick-or-treating or to a costume party. The two ties at the top of Chucky’s shirt fasten around the back of your pup’s neck to keep it up and secure.

Chucky is dressed in his signature red and white striped shirt with blue overalls. Padded ‘arms’ are attached to the top of the shirt, and one of the hands is holding a bloody knife. The knife is held in place with hook-and-loop material that can be removed if you’d like. An orange wig with an elastic band is also included with each outfit.

You can use the sizing guide provided by California Costumes to decide whether an extra-small, small, or medium costume will be the best fit. These three sizes should accommodate dogs with a chest girth between 12 and 24 inches, a neck girth between 10 and 16 inches, and a neck-to-tail length between 8 and 16.

Best Chucky Costume
California Costumes Pet Deadly Doll Dog Costume Costume

•Signature Chucky doll dog costume

•Face-framing for realism

•Easy wear

•XS-M sizes

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8. Best Chewbacca Dog Costume: Protect Me Alert Series Star Wars Chewbacca Dog Costume

This Chewbacca dog costume from the Protect Me Alert Star Wars series is our top pick. The outfit is made from 100% polyester with a fuzzy exterior, like Chewbacca’s fur.

Chewbacca’s signature bandolier belt for keeping his bullets handy is running across the chest of the costume. This choice should be easy to put on dogs; it features Velcro straps to keep it secured around a dog’s neck and chest. Brown ‘fur’ puffs are also included to go around a dog’s feet/lower legs to make them look even more like Chewbacca.

Best Chewbacca Costume
Rubie's Star Wars Chewbacca Hoodie Pet Costume

•Hoodie Chewbacca costume for dogs

•Polyester for comfort

•Detailed costume

•XS-3XL sizing

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9. Best Grinch Dog Costume: Dr. Seuss The Grinch Max Costume

With this adorable costume, your pup will look just like Max from The Grinch. The costume is easy to put on; it just goes over a dog’s back with holes for their front legs. The zipper helps ensure that the costume will stay on your pup. A hoodie with Max’s reindeer antlers and large floppy ears is also integrated into the costume’s design.

This officially licensed costume is designed to be soft and comfortable for dogs to wear. It is made from a warm Sherpa fleece fabric to keep dogs cozy.

Large and X-large sizes of this costume are available.

Best Grinch's Max Costume
MJC Dr Seuss The Grinch Max Plush Dog Costume

•Plush hoodie Max costume for dogs

•Easy zip-on

•Comfortable, warm fabric

•XS, M/L sizes

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10. Best Scooby Doo Dog Costume: Rubie’s Costume Company Scooby Doo Pet Suit

This officially licensed Scooby-Doo costume for dogs from Rubie’s Costumes will transform your dog into the mystery-solving marvel himself. The costume’s step-in design allows you to get your pup dressed up as Scooby in no time. It features straps to keep the costume secured around a dog’s neck and chest.

This costume looks just like Scooby-Doo. From his light brown color, black spots, and signature green and yellow “SD” collar, Rubies included all the essential details when designing this costume. The costume design also includes a Scooby-Doo headpiece and a brown cape to cover your dog’s back and make their whole body look more like Scooby’s.

You can choose from small, medium, large, and extra-large sizes for this costume. Based on the size chart provided by Rubie’s Costumes, these sizes should accommodate dogs with a neck-to-tail length between 11 and 28 inches, a chest circumference between 17 and 27 inches, and a neck circumference between 12 and 20 inches. You can reference the sizing chart to use your dog’s specific measurements to select the best fit.

Best Scooby Doo Costume
Rubie's Scooby Doo Pet Suit

•Full-body Scooby Doo costume for dogs

•Step-in design for easy

•S-XL sizing

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11. Best Panda Dog Costume: Pandaloon Panda Dog Costume

If you love watching Panda Cams, you’ll feel like you have your own personal Panda Cam when your dog is dressed up in this costume from Pandaloon. This is a step-in, a full-length costume with a panda head hoodie. Padded panda arms are attached to the front of the costume to make it appear that your pup is a panda standing upright in front of you.

This costume is made using a very plush material that should feel soft against a dog’s skin. The feet are reinforced for durability and the hood is adjustable to deliver a good fit to a dog’s face.

This costume comes in five sizes: 0, 1, 2, 3, and 4 to fit most dogs between 11 and 23 inches tall.

Best Panda Costume
Pandaloon Panda Puppy Dog Pet Costume (Size 2 (15-17 in Total Height), Panda)

•Full-length panda costume for dogs

•Step-in, easy wear

•Various sizes & adjustable

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12. Best Dog Pirate Costume: Mikayoo Pet Costume Pirates of the Caribbean Dog Costume

If you want your dog to look just like a pirate, this costume from Mikayoo is definitely the way to go. It includes a lot of details for a more realistic appearance from the black pirate hat with skull and crossbones, the white ruffled shirt, the large belt, the tattered clothing, and, of course, the signature hook for a hand.

Dogs can step into the costume and owners can fasten it around their neck and chest for a secure fit. A black cape to cover their back and tie the whole look together is also included.

This pirate costume is available in small, medium, large, and extra-large sizes. The small size is designed to fit dogs with a height around 7.9 inches and a neck girth of 11.8 inches, and the extra-large should fit dogs around 17 inches tall with a neck girth of 20.5 inches. You can refer to the sizing chart from Mikayoo for dogs with measurements that fall between these two sizes.

Best Pirates of the Caribbean Costume
Mikayoo Pet Costume Pirates of The Caribbean

•Realistic Pirates of the Caribbean costume for dogs

•Step-in, velcro behind neck

•S-XL sizes

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13. Best Olaf Dog Costume: Rubie’s Disney: Frozen 2 Olaf Pet Costume

If you want your dog to look just like Olaf from the movie Frozen, then this is the costume for you. Dogs step into the costume and it secures around their neck to make it appear that Olaf is standing right in front of you.

The costume includes details such as Olaf’s three large coal buttons and twig arms (padded arms that are connected to the side of the costume. A separate headpiece featuring Olaf’s large eyes, carrot nose, and cheery smile, and twig ‘hair’ are also included with the costume to complete the look.

Small, medium, large, and X-large sizes are available for this costume. Most pups who weigh between 6 and 45 pounds should fit into one of these sizes.

Best Overall
Rubie's Disney: Frozen 2 Olaf Pet Costume

•Olaf costume for dogs

•Vertical, step in costume

•S-XL sizing (check size chart)


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14. Best Skeleton Dog Costume: Coomour Halloween Skeleton Bones Costume for Dogs

We chose the Coomour Skeleton Bones costume as our top pick. There was a lot we really liked about this costume.

First, the t-shirt material feels soft and comfortable. The dog should enjoy wearing this costume and are much less likely to overheat than when wearing bulkier costumes.

Dogs wear this costume like a t-shirt. The skeleton bones are nice and large on the back of the t-shirt and will be prominently displayed along your dog’s back, leaving no question what they are dressed up as. The costume also includes a black head to hide a dog’s fur color and draw more attention to the skeleton bones on their back.

You can purchase this costume in a wide range of sizes for dogs weighing between 2 pounds and 23 pounds. The size options include X-small, small, medium, large, X-large, 2X-large, and 3X-large.

Best Skeleton Costume
Coomour Funny Hoodies Skeleton Costume for Dogs

•Skeleton hoodie costume for dogs

•Comfortable fabric

•Easy wear

•XS-3XL sizing

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15. Overall Best Dragon Dog Costume: Yoption Dog Dragon Costume

While your dog won’t actually breathe fire in this dragon costume from Yoption, they’ll be letting off a whole lot of cuteness. The costume has a step-in design to make it easy to put on your dog. The green dragon body covers your dog’s chest, neck, and back, and the included dragon hoodie makes the costume come up over their head for a more complete look.

The hoodie includes large dragon eyes, sharp teeth, and pink horns. Pink dragon scales run down the back and over the dragon’s tail, leaving no question that your dog is supposed to be a dragon.

This costume is made using soft microfiber and velvet materials that will feel nice against a dog’s skin. It comes in four sizes (small, medium, large, and X-large) to fit most dogs weighing between 3 and 18 pounds.

Best Overall
Yoption Dog Cat Dragon Costumes

•Dragon hoodie costume for dogs

•Plush, velvet material

•S-XL (see size chart)

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16. Overall Best Pokémon Dog Costume: Easting&co Pikachu Dog Costume

You can’t have Pokémon without Pikachu! This adorable Pikachu costume will turn your dog into this powerful Pokémon character. The costume wraps around a dog’s body and is secure with hook-and-loop material to keep it in place.

This costume is made from a plush yellow velvet material. Black stripes on the body are added to make dogs look just like Pikachu. A yellow hood with Pikachu’s cheerful face and long, black-tipped yellow ears is also incorporated into the design to complete the look for your pup.

X-small, medium, large, and X-large sizes are available to fit most dogs with a body length between 7.9 and 15 inches and a chest girth between 11.8 and 18.1 inches. You can reference the sizing guide if your dog’s measurements fall between the X-small and X-large sizes.

Best Pokemon Costume
Oncpcare Dog Costume Pikachu

•Warm, Pikachu onesi for dogs

•Soft material for comfort

•XS-XL sizing

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17. Overall Best Beetlejuice Dog Costume: Rubie’s Beetlejuice Pet Costume

Everyone will be shocked thinking the real Beetlejuice has made an appearance when you dress your dog in this costume from Rubies Costumes. The costume design features Beetlejuice’s signature black and white striped jacket and a gray-haired wig. With a little styling, you can get the wig to look like Beetlejuice’s spiked hair.

Rubie’s Costumes’ sizing chart can help you select the costume size that will offer the best fit for your pup. This Beetlejuice costume is available in sizes small, medium, large, and X-large and should fit most dogs weighing between 6 and 45 pounds. But, since every breed is different, consult the sizing chart using your dog’s measurements to ensure a good fit.

Best Overall
Rubie's Beetlejuice Pet Costume

•Authentic Beetlejuice costume for dogs

•Striped jacket & wig pieces

•S-XL sizing (refer to size chart)

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About the Author

Ashley Haugen is a lifelong animal lover and professional writer and editor. When she's not immersed in A-Z-Animals.com, she can be found hanging out with her dogs and birds.