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Mastiff puppies and dogs in Ontario

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

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Adopt a Mastiff in Ontario Search for a Mastiff puppy or dog Mastiff puppies and dogs in Ontario cities Mastiff shelters and rescues in Ontario Learn more about adopting a Mastiff puppy or dog

Adopt a Mastiff near you in Ontario

Below are our newest added Mastiffs available for adoption in Ontario. To see more adoptable Mastiffs in Ontario, use the search tool below to enter specific criteria!
We'll also keep you updated on Gregory's adoption status with email updates.
No photo available for Gregory

Gregory

Mastiff/Mixed Breed (Medium)

Male, Adult
Kingston, ON
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Not good with kids, Not good with dogs, Not good with cats,
Story
Name: GregoryAge: 3 years old Breed: MastiffLikes: Cuddling, playing with his toys Dislikes: Being alone!What would the ideal home: An energetic home to help get out his energy, someone willing to work on obedience and also loves to cuddle. He's a playful and cuddly guy.Good with cats: YesGood with dogs: YesGood with children: Very excitable and wants to play, caution around small children as he's so large and will knock them over Temperament: Friendly, PlayfulMotivators: Food/treatsKnown commands: "Sit" , "Wait" for food, "Drop it" for toys, and working on "Down"House trained: YesCrate trained: No How long will it take to settle into a new environment: a couple daysAny special needs or traits the adopter should know: On special joint dietIf you think Gregory is the one for you - fill out an application today!

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We'll also keep you updated on JACK's adoption status with email updates.
No photo available for JACK

JACK

Mastiff/Boxer

Male, 3 yrs 4 mos
London, ON
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
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We'll also keep you updated on Daisy's adoption status with email updates.
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Daisy

Mastiff/Shepherd (Unknown Type)

Female, Adult
Mississauga, ON
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Not good with dogs, Not good with cats, House-trained,
Story
Daisy / F / 6 yrs / 80 lbs / Mastiff Mix / Toronto Daisy is described as friendly, affectionate, easy going, eager to please and cuddly. She is very people social and loves to make friends with humans of all ages and sizes. Daisy’s is lower overall vibe is relaxed and chill but she does enjoys her play time, especially her toy ball. She is a fast learner and knows basic commands like sit, down, paw and come. Daisy would benefit from a family that has the time, energy and interest to continue her training. Daisy's new family will have some large dog experience and live in a low traffic area like the suburbs. She would be most successful in a house so that she doesn't need to cross paths with dogs in tight spaces like elevators and narrow hallways. Daisy is great with people but is dog selective and will need to be the only pet in the home. Daisy has potential to be social with some dogs, but will require careful introductions and supervision. Ideally, her new family will work with a professional trainer to learn proper introductions. Daisy is low to medium energy and would do best in a home that can provide her with two 30 minute walks a day along with pee breaks. Daisy will need to be walked with a gentle lead harness as she is a big girl who has little experience with walking on leash. When she sees other dogs, she pulls and barks and therefore will require an adopter who is committed to redirecting her attention with treats or a toy when she sees other dogs on walks. Daisy is house trained and can be trusted with free reign when left alone. She is not crate trained but chills out in her dog bed or on her favorite part of the couch. When you come home she may bark out of excitement to greet you but settles her excitement quickly. If you are interested in adopting Daisy please fill out an application at https://www.fetchandreleash.ca/dog-adoption/ Daisy’s adoption fee is $525 which is being donated towards training with a positive reinforcement based trainer. Please note: Daisy is a local surrender that is being courtesy posted by Fetch & Releash.

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We'll also keep you updated on Jax's adoption status with email updates.
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Jax

Mastiff/Retriever (Unknown Type)

Male, Adult
Sudbury, ON
Size
(when grown) -
Details
-
Story
Primary Color: Brown Secondary Color: Apricot Weight: 33 Age: 5yrs 1mths 1wks

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We'll also keep you updated on Paisley's adoption status with email updates.
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Paisley

Mastiff

Female, Adult
Orillia, ON
Size
(when grown) -
Details
-
Story
Primary Color: Fawn Weight: 82.025 Age: 2yrs 1mths 2wks

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We'll also keep you updated on Niko's adoption status with email updates.
Photo of Niko

Niko

Mastiff

Male, Adult
St. Catharines, ON
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
-
Story
Niko - Male Mastiff mix - 1 year oldID # 43776812Niko is a very scared and nervous boy who needs adopters with large breed experience, are committed to training him, love drool and love huge dogs! He lacks socialization for the real world. Niko's perfect home has a fenced yard, no kids under 14 years old, no other dogs and no cats.All adoptable dogs have been given a behavioral test and our staff will be happy to explain the testing and discuss the results with potential adopters during the initial meeting with the dog you are interested in.To see all our adoptable dogs please visit the shelter at 160 Fourth Avenue Mon-Fri 9-5; Sat 10-4; and Sun 11-3.

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Search for a Mastiff puppy or dog

Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in Ontario.

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Mastiff puppies and dogs in Ontario cities

Mastiff Puppies near me Mastiff in Acton Mastiff in Alliston Mastiff in Almonte Mastiff in Amherstburg Mastiff in Angus Mastiff in Arnprior Mastiff in Aylmer Mastiff in Ayr Mastiff in Azilda Mastiff in Barrie Mastiff in Beamsville Mastiff in Beeton Mastiff in Belleville Mastiff in Binbrook Mastiff in Blenheim Mastiff in Bobcaygeon Mastiff in Bolton Mastiff in Bowmanville Mastiff in Bracebridge Mastiff in Bradford Mastiff in Brantford Mastiff in Brighton Mastiff in Brockville Mastiff in Caledon East Mastiff in Caledonia Mastiff in Campbellford Mastiff in Carleton Place Mastiff in Casselman Mastiff in Chatham Mastiff in Chelmsford Mastiff in Clinton Mastiff in Cobourg Mastiff in Cochrane Mastiff in Collingwood Mastiff in Cornwall Mastiff in Corunna Mastiff in Crystal Beach Mastiff in Deep River Mastiff in Delhi Mastiff in Dorchester Mastiff in Dryden Mastiff in Dunnville Mastiff in Elliot Lake Mastiff in Elmira Mastiff in Embrun Mastiff in Espanola Mastiff in Essex Mastiff in Exeter Mastiff in Fergus Mastiff in Fort Erie Mastiff in Fort Frances Mastiff in Gananoque Mastiff in Georgetown Mastiff in Goderich Mastiff in Gravenhurst Mastiff in Guelph Mastiff in Haileybury Mastiff in Hamilton Mastiff in Hanover Mastiff in Hawkesbury Mastiff in Hearst Mastiff in Huntsville Mastiff in Ingersoll Mastiff in Innisfil Mastiff in Iroquois Falls Mastiff in Kanata Mastiff in Kapuskasing Mastiff in Kemptville Mastiff in Kenora Mastiff in Keswick Mastiff in Kincardine Mastiff in King Mastiff in Kingston Mastiff in Kirkland Lake Mastiff in Kitchener Mastiff in Leamington Mastiff in Lindsay Mastiff in Listowel Mastiff in Lively Mastiff in London Mastiff in Manotick Mastiff in Marathon Mastiff in Meaford Mastiff in Midland Mastiff in Milton Mastiff in Mitchell Mastiff in Mount Albert Mastiff in Mount Forest Mastiff in Napanee Mastiff in Newcastle Mastiff in New Hamburg Mastiff in New Liskeard Mastiff in Niagara Falls Mastiff in Nobleton Mastiff in North Bay Mastiff in Orangeville Mastiff in Orillia Mastiff in Oshawa Mastiff in Ottawa Mastiff in Owen Sound Mastiff in Paris Mastiff in Parry Sound Mastiff in Pembroke Mastiff in Perth Mastiff in Petawawa Mastiff in Peterborough Mastiff in Petrolia Mastiff in Picton Mastiff in Port Colborne Mastiff in Port Dover Mastiff in Port Elgin Mastiff in Port Hope Mastiff in Port Perry Mastiff in Prescott Mastiff in Renfrew Mastiff in Richmond Mastiff in Ridgetown Mastiff in Rockland Mastiff in Rockwood Mastiff in Russell Mastiff in Sarnia Mastiff in Sault Ste. Marie Mastiff in Shelburne Mastiff in Simcoe Mastiff in Smiths Falls Mastiff in Smithville Mastiff in Southampton Mastiff in Stayner Mastiff in St Catharines Mastiff in St George Mastiff in St Marys Mastiff in Stouffville Mastiff in Stratford Mastiff in Strathroy Mastiff in St Thomas Mastiff in Sturgeon Falls Mastiff in Sudbury Mastiff in Sutton West Mastiff in Tavistock Mastiff in Thunder Bay Mastiff in Tilbury Mastiff in Tillsonburg Mastiff in Timmins Mastiff in Toronto Mastiff in Tottenham Mastiff in Uxbridge Mastiff in Vineland Mastiff in Walkerton Mastiff in Wallaceburg Mastiff in Wasaga Beach Mastiff in Waterford Mastiff in Welland Mastiff in Wellesley Mastiff in Windsor Mastiff in Woodstock

Mastiff shelters & rescues in Ontario

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

Here are a few organizations

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 information

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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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