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Mastiff puppies and dogs in Shelby, Ohio

Looking for a Mastiff puppy or dog in Shelby, Ohio? Adopt a Pet can help you find an adorable Mastiff near you.

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Adopt a Mastiff near you Mastiff in cities near Shelby, Ohio Other pups in Shelby, Ohio Search for a Mastiff puppy or dog near you Browse Mastiff puppies and dogs in nearby cities Browse related breeds in Shelby, Ohio Mastiff shelters and rescues in Shelby, Ohio Learn more about adopting a Mastiff puppy or dog

Adopt a Mastiff near you in Shelby, Ohio

We don't see any Mastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Mastiffs in cities near Shelby, Ohio

These Mastiffs are available for adoption close to Shelby, Ohio.
Bonded Pair
Photo of Joker

Joker

Mastiff

Male, Adult
Mansfield, OH
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs, Good with cats, Spayed or Neutered, Shots are up-to-date,
Story
🃏 MEET JOKER!! 🃏 Origin Story: Stray turned Sidekick Supreme Joker rolled into the shelter as a stray on 1/15/26 with his ride-or-die bestie, Harley Quinn. We estimate this charming rogue is about 5 years old, and while he may give you a cautious side-eye at first… don’t blink — that phase ends fast. Once he decides you’re not part of the evil plot, Joker reveals his true powers: friendliness, curiosity, and expert-level pet acceptance. He enjoys attention but isn’t a full-time cuddle villain — he prefers to stay mobile, exploring his surroundings like the independent antihero he is. Fuel of choice? 🌭 Hot dogs. Weakness? 💔 Being away from Harley Quinn. When his partner-in-crime is nearby, Joker is all smiles and good vibes, proving that even a trickster needs his trusted sidekick. Joker is ready to leave the shelter and star in his own happily-ever-after issue. Don’t miss your chance to meet this lovable character — hurry in before this comic book legend is adopted! 📍 Joker is located at the Richland County Dog Shelter in Mansfield, OH 📞 Phone: 419-774-5892 📝 It is an application process. You can request one via dogs@richlandcountyoh.gov

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Bonded Pair
Photo of Harley Quinn

Harley Quinn

Mastiff Shepherd (Unknown Type)

Female, Adult
Mansfield, OH
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Not good with dogs, Good with cats, Spayed or Neutered, Shots are up-to-date,
Story
💥🎀 MEET HARLEY QUINN!! 🎀💥 Origin Story: Stray turned Chaos Queen Harley Quinn bounced into the shelter as a stray on 1/15/26, arriving hand-in-paw with her favorite partner-in-crime, Joker. We think this stunning gal is about 5 years old, and while she may size you up at first… don’t worry — that hesitation disappears faster than a “POW!” bubble. Once she warms up, Harley shows off her true superpowers: friendly charm, adventurous spirit, and elite-level snack appreciation. She loves being petted but isn’t the clingy type — this girl prefers to keep moving, exploring her surroundings like the confident comic book heroine she is. Signature snack? 🌭 Hot dogs. Sidekick status? 🃏 Joker is her number one. When they’re together, Harley is all smiles, proving that every great character shines brightest with their favorite teammate nearby. Harley Quinn is ready to leap off the pages and into her forever home. Don’t miss your chance to meet this bold, beautiful girl — hurry in before her next adventure begins! 📍 Harley Quinn is located at the Richland County Dog Shelter in Mansfield, OH 📞 Phone: 419-774-5892 📝 It is an application process. You can request one via dogs@richlandcountyoh.gov

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Deebo

Mastiff American Staffordshire Terrier

Male, 3 yrs 6 mos
Port Clinton, OH
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Not good with cats, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Apply to adopt at:https://humanesocietyofottawacounty.org/

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Photo of Bentley

Bentley

Mastiff

Male, 6 yrs 9 mos
Columbia Station, OH
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered,
Story
Meet Bentley! 🐾 Bentley is a 6 year-old Mastiff with all the best qualities of the breed. He’s a true gentle giant: calm, loyal, and incredibly sweet. Bentley enjoys a relaxed lifestyle, quiet companionship, and being close to his people. With his loving nature and mellow personality, he’s the perfect big buddy for a cozy, caring home. The shelter is open Tuesday through Friday from 3:30 PM to 6:30 PM, and on Saturday and Sunday from 1:00 PM to 4:00 PM. A meet-and-greet is required for all shelter dogs if you already have a dog. Thank you for considering the adoption of a shelter animal in need!

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Photo of Ruby

Ruby

Mastiff

Female, 6 yrs 9 mos
Columbia Station, OH
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered,
Story
Meet Ruby! 🐾 Ruby is a 6 year-old Mastiff with a heart as big as she is. This friendly girl has a calm, gentle presence and loves spending time with people. True to her breed, Ruby is a laid-back companion who enjoys affection, quiet moments, and being near her humans. She’s the kind of dog who will happily keep you company and make your home feel warmer just by being there. The shelter is open Tuesday through Friday from 3:30 PM to 6:30 PM, and on Saturday and Sunday from 1:00 PM to 4:00 PM. A meet-and-greet is required for all shelter dogs if you already have a dog. Thank you for considering the adoption of a shelter animal in need!

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Photo of Bailey

Bailey

Mutt Mastiff

Female, Puppy
Ashland, OH
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Bailey is in need of a new home asap. She is a super sweet girl and is very smart. She is also very LARGE already weighing 80 lbs at 9 months old. She currently lives on a 6 acre hobby farm and when I adopted her at 9 weeks old, the plan was for her to live on the side of the barn with a 1 acre fenced pasture so she would have plenty of room to run during the day while I was at work. Unfortunately she was able to jump the 4.5’ pasture fence within a couple of months but doesn’t seem able to jump chain link. Since then, she has been confined to the other side of the barn with a very small outdoor area that has a 6’ fence. With my work schedule, she is only able to be out about 5 hours a day total. Bailey needs a home where she can enjoy her life without being confined. She is a Saint Bernard, Mastiff, German Shepherd mix and being 3 working dogs in one, would benefit greatly by living somewhere she has a job. I am in desperate need of finding her a home immediately.

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Search for a Mastiff puppy or dog

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Mastiff puppies and dogs in nearby cities

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Related breeds in Shelby, Ohio

Bullmastiffs in Shelby, Ohio Neapolitan Mastiffs in Shelby, Ohio Saint Bernards in Shelby, Ohio

Mastiff shelters & rescues in Shelby, Ohio

There are animal shelters and rescues that focus specifically on finding great homes for Mastiff puppies in Shelby, Ohio. Browse these Mastiff rescues and shelters below.

Here are a few organizations closest to you:

Shelter

9.9 miles

Richland County Dog Warden's Office & Shelter/Adoption Center

810 N. Home Rd., Mansfield, OH 44906

Pet Types: dogs

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Shelter

46.6 miles

Humane Society of Ottawa County

2424 E Sand Rd, Port Clinton, OH 43452

Pet Types: cats, dogs, rabbits, small animals

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Rescue

48 miles

Berea Animal Rescue Fund

10015 East River Road, Columbia Station, OH 44028

Pet Types: cats, dogs

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Looking for a specific shelter or rescue?

If you're not seeing what you're looking for, try our shelter and rescue search. We have more than 17,000 organizations in our database with furry pals waiting for a new home!

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Want to learn more about adopting a Mastiff puppy or dog?

We've got all the info you need on adopting and caring for a Mastiff puppy. Check out the links below for everything you ever wanted to know about Mastiff puppies and adults.

Mastiff basics

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Where do Mastiffs come from? How many types of Mastiffs are there? From the history of the breed to question about average height, weight and size, brush up on these basic facts about the Mastiff.

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