large dog wearing a Wonder Woman Halloween costume on an orange background

15 Large Dog Halloween Costumes Guaranteed to Be Spooktacular Fun

Who says wee dogs are the only pups to dress up? Get your mongo doggo’s tail wagging with these high-spirited ideas!
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Amp up trick and treat festivities with your big four-legged fuzzball and adorn them in one of these large dog Halloween costumes! Whether strolling down the sidewalk among all the other ghosts and goblins or playing host to whoever rings your doorbell, pups outfitted for the occasion prompt wide jack-o'-lantern grins from everyone they meet. (Mmmm. Did someone say pumpkin? Nom nom nom!)

What we like most about some of these dog costumes for big dogs is that many can be worn whenever the spirit moves you! So add to your pooch's pajama or jacket collection, and they'll likely howl with delight!

15 of Our Favorite Large Dog Halloween Costumes

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Credit: Courtesy of Chewy

Firetruck

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Your large dog doesn't need to be a Dalmatian to stand out as a member of a brave firefighting company. The helmet alone is enough to rev up the cuteness. Vroom vroom!

Shop now: Frisco Firetruck Dog & Cat Costume, $17; chewy.com

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Wonder Woman

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With Amazonian honor and a "leash of truth," your sweet and sassy girl can promote justice throughout the entire neighborhood. An easy-on, easy-off Velcro enclosure allows for the proper fit and plenty of skirt flair.

Shop now: Rubie's Costume Company Wonder Woman Dog & Cat Costume, $15; chewy.com

Dog wearing a Frisco Front Walking Pirate Dog & Cat Costume on a white background
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Pirate

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Arrrr! Shiver me timbers. As long as you do what your canine captain commands (unhand all those treats!) there'll be no need to walk the dog house plank, matey!

Shop now: Frisco Front Walking Pirate Dog & Cat Costume, $18; chewy.com

Dog wearing a California Costumes Pet UPS Pal Dog Costume Costume on a white background
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UPS Delivery Dog

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All hail the wonderful delivery people who make sure doggie subscription boxes arrive in record time! And who knows? In this large dog Halloween costume, your pup could be the next social media darling of a UPS driver (or postal carrier!).

Shop now: California Costumes Pet UPS Pal Dog Costume Costume, $19; amazon.com

Dog wearing a Tomsenn Dog Lion Mane on. white background
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Lion

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If you don't have a Tibetan mastiff but still want your big dog to shake a mighty mane, this snazzy slip-on cap will certainly make him king of the backyard jungle.

Shop now: Tomsenn Dog Lion Mane, $15; amazon.com

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Unicorn

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When your pup slips off in search of phantom squirrels, you'll be able to spot them easily because of the light-up collar on this fantastical costume—a perfect complement to their glow-in the dark tags. Plus they'll be the star of the Pride parade next summer!

Shop now: Rubie's Light Up Collar Unicorn Pet Costume, $33; walmart.com

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Minion

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Ba-ba-ba-ba-ba-na-na! Although shown on a rolly-polly pug, this Halloween outfit comes in large sizes too, and we think it's beyond adorable. Make sure to keep the goggles on your doggo's forehead so he can spot any ghoulies and stay safe.

Shop now: Minion Dog Costume, $68; walmart.com

Dog wearing a Dogs Carrying Beer Keg Pet Costume on a white background
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Beer Keg Carrier

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Who's the party animal? While dogs should never drink beer, that doesn't mean they can't look smashing in this clever little getup.

Shop now: Dogs Carrying Beer Keg Pet Costume, $30; walmart.com

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Lobster

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If your doggie has a salty personality, Halloween is just the sea-son to sink your claws into something so cutesy, it might just make him an instant shell–ebrity! (Okay, we'll stop with the crustacean puns now.)

Shop now: Lobster Frontal Dog and Cat Costume, $10; target.com

Dog wearing a Stacked Pumpkins Dog Sweater on a white background
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Pumpkin

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When you need a large dog costume for a greyhound or another pooch with a naturally short coat, an eye-catching sweater like this will keep her both toasty warm and festive!

Shop now: Stacked Pumpkins Dog Sweater, $13; target.com

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R2-D2

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You won't have to travel a parsec to show off some serious Star Wars star power. Your devoted dog droid will be ready for whatever Halloween adventure awaits in a galaxy near or far, far away.

Shop now: Star Wars R2-D2 Dog Costume, $16; target.com

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Batty Pajamas

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Whether taking flight into a night of spooky fun or fresh out of the bath and inside being cozy, these jammies are a frightfully great choice for a large breed dog Halloween costume, especially since they have such snug hoodies!

Shop now: Bootique Bratty Batty Pet Pajamas, $20; petco.com

Dog wearing a Bootique Rebel Devil Pet Headpiece on a white background
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Lil' Devil

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Of course we're not saying your big dog is a little hellion. All we're saying is if you have an Irish setter, a Rhodesian ridgeback, or another red-hot dog, this particular ensemble might be most appropriate for All Hallow's Eve.

Shop now: Bootique Rebel Devil Pet Headpiece, $12; petco.com

Dog wearing a Bat Dog Halloween Dog Shirt sitting on a bed
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Bat Dog

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No, I'm Batman! Suit up your pup with a classic straight out of the bat cave and a tune you simply can't stop singing with this large dog Halloween costume. Batmobile, utility belt, and Alfred not included.

Shop now: Bat Dog Halloween Dog Shirt, $21; etsy.com

Dog wearing a Bear Dog Coat Jacket while standing outdoors
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Bear Coat

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Honestly, this Shiba Inu can not look any more charming in this bear coat, but we're betting your large dog will fill it out nicely, too! Once the leaves fall and the snow flies, your canine will surely welcome another cuddle in this.

Shop now: Bear Dog Coat Jacket, $19; etsy.com