Top 10 BIGGEST Dog Breeds

What are the biggest dog breeds? Spoiler -- They're HUGE!

By Floof Matcher6 min read📅 Aug 21, 2025
Top 10 BIGGEST Dog Breeds

English Mastiff

English Mastiff

Quick Stats: Height: 27–30 inches • Weight: 150–230+ lbs

Personality: Despite their intimidating size, Mastiffs are famously gentle, calm, and devoted protectors.

Fun Fact: The heaviest dog ever recorded was an English Mastiff named Zorba, who weighed a jaw-dropping 343 lbs!

Saint Bernard

Saint Bernard

Quick Stats: 26–30 inches • 120–180 lbs

Personality: Strong but sweet, especially loyal to family.

Fun Fact: Folklore says they carried little brandy barrels to warm stranded travelers (sadly, myth—but adorable).

Great Dane

Great Dane

Quick Stats: 28–34 inches • 110–180 lbs

Personality: Gentle “lap dogs” who don’t know their size.

Fun Fact: Zeus the Great Dane holds the record for tallest dog at 44 inches (standing he was over 7 ft tall!).

Big dogs not quite your vibe? Or maybe you’re wondering which one of these gentle giants matches your floofy dreams? Our Breed Matcher tool is like a dating app — but for pets (and way less awkward).

Newfoundland

Newfoundland Dog

Quick Stats: 26–28 inches • 100–150 lbs

Personality: Gentle giants that adore water and kids.

Fun Fact: Nicknamed “nanny dogs” for their protective, babysitter-like instincts.

Irish Wolfhound

Irish Wolfhound

Quick Stats: 30–32 inches • 105–120 lbs

Personality: Brave hunters with a surprisingly calm, gentle side.

Fun Fact: Originally bred to hunt wolves and elk in Ireland.

Leonberger

Leonberger

Quick Stats: 25–31 inches • 90–170 lbs

Personality: Fluffy, friendly, and family-oriented—big couch potatoes.

Fun Fact: A favorite companion of European royals in the 1800s.

Anatolian Shepherd

Anatolian Shepherd

Quick Stats: 27–32 inches • 90–150 lbs

Personality: Fiercely independent livestock guardians, protective by nature.

Fun Fact: Their endurance allows them to guard herds across vast terrain without tiring.

Tibetan Mastiff

Tibetan Mastiff

Quick Stats: 24–30 inches • 75–160 lbs

Personality: Aloof, protective, and fluffy like a lion.

Fun Fact: Once sold for over $1.5 million in China, making them one of the priciest pups ever.

Bernese Mountain Dog

Bernese Mountain Dog

Quick Stats: 23–28 inches • 80–115 lbs

Personality: Loyal, affectionate, and happiest working alongside people.

Fun Fact: Historically helped Swiss farmers pull carts loaded with milk and cheese.

Great Pyrenees

Great Pyrenees

Quick Stats: 25–32 inches • 85–160 lbs

Personality: Patient, calm guardians with a strong instinct to protect.

Fun Fact: Their fluffy white coats kept them warm while guarding sheep in snowy mountains.

Conclusion

Big dogs come with big responsibilities—lots of food, exercise, and drool—but they also come with even bigger hearts. Whether you’re looking for a towering guardian or a giant cuddle buddy, these breeds prove that size and sweetness can go paw-in-paw.

At Floof Matcher, we’re here to help you find your perfect pet match—whether it’s a gentle giant like a Mastiff or a pocket-sized lap floof. 🐶💕