Big dogs don’t just turn heads; they often excel in canine sports like agility, obedience, and even dock diving.
Their strength, stamina, and drive make them standout competitors in activities that require power and coordination. Many large breeds perform exceptionally well in athletic events, proving that big doesn’t mean slow.
In this blog, we’ll explore the 9 biggest dog breeds in the world, perfect for owners who want a loyal, calm, yet impressive companion. If you’ve got space and heart to spare, one of these gentle giants may be your perfect match.
Biggest Dog Breeds in the World
Don’t let their size intimidate you; these giant dog breeds are truly absolute sweethearts. Behind their towering frames and strong builds are calm, affectionate companions who love nothing more than snuggling up with their humans.
Whether you’re drawn to their protective instincts or their soft, soulful eyes, these dogs bring comfort and devotion in a big way. From gentle guardians to playful pals, get ready to meet some of the most lovable giants in the canine kingdom.
1. Dogue de Bordeaux
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Height: 23–27 inches
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Weight: 110–150 lbs
The name “Dogue de Bordeaux” comes from the French region of Bordeaux, where this giant breed was originally bred as a guard dog, according to VCA Animal Hospital.
Despite their strong appearance, these dogs are surprisingly gentle and affectionate. Known as an elegant dog with a big heart, they have a short fawn coat that’s easy to groom but tend to drool—so grab a towel!
Calm and steady indoors, they still need regular walks to stay fit. Quiet by nature, they make great family companions with a protective edge.
Best For:
Experienced dog owners with space and time who want a calm, loving protector and a loyal best friend.
2. Great Dane
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Height: 28–34 inches
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Weight: 110–175 lbs
Once a working dog used for hunting and guarding, the Great Dane is now known as the tallest dog breed and one of the most charming companions you could have.
These powerful dogs have long legs, a sleek coat that’s easy to groom, and a surprisingly mellow personality. Great Danes are dogs who enjoy being close to their humans.
Early training is key due to their size, but they’re easy to manage with consistent love and structure. Barking is rare unless truly necessary.
Best For:
Families or individuals looking for a graceful, calm companion with a big body and an even bigger heart.
3. Irish Wolfhound
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Height: 30–35 inches
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Weight: 120–180 lbs
The Irish Wolfhound has ancient roots in Ireland, where it was originally bred to catch wolves and guard homesteads.
Don’t let the towering size fool you—these dogs are gentle, sweet, and noble. They’re natural guardians, quiet around the house but alert around strangers, according to Royal Canine.
With a wiry coat that needs weekly brushing and a steady exercise routine, they’re easy to live with. Though they stand tall, they lie low in spirit, content to nap by your side after a walk. As puppies, they need gentle socialization.
Best For:
Owners with a calm lifestyle who appreciate loyal, low-key dogs that blend power with kindness. Great for homes with other pets.
4. Leonberger
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Height: 26–31 inches
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Weight: 90–170 lbs
The Leonberger turns heads with its lion-like mane and regal presence. Though giant in size, this breed is known for a gentle and patient soul.
They thrive on companionship and are wonderful with puppies, kids, and other pets. Their thick double coat requires regular grooming, especially during shedding season.
With a protective nature and kind heart, they balance playfulness with calm maturity. Daily walks are needed, but they prefer family time over long adventures.
Best For:
Families wanting a sweet, majestic giant who’s both playful and peaceful—a perfect match for homes full of love and space. Moreover, their webbed feet make them good swimming partners.
5. Neapolitan Mastiff
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Height: 24–31 inches
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Weight: 110–150 lbs
Among the largest dog breeds, the Neapolitan Mastiff stands out with its dramatic loose, wrinkly skin and serious presence.
These giant dogs were once farm dogs, guarding property and livestock with quiet confidence. Their rugged appearance hides a sweet, loyal heart. They come in shades like blue, black, or mahogany, and while they shed moderately, drool is part of the deal.
They don’t need much exercise—just a short daily walk. Though calm at home, they’re naturally wary of strangers, making them excellent protectors.
Best For:
Experienced dog owners with space and a calm lifestyle who want a deeply loyal guardian and don’t mind a bit of drool.
6. Newfoundland
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Height: 26–28 inches
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Weight: 100–150 lbs
The Newfoundland is a true gentle dog—massive yet incredibly kind. Counted among the largest dog breeds, this big dog is known for its calm and gentle nature.
Their thick coat requires regular brushing, especially during shedding seasons. They’re wonderful with children and very friendly with other dogs, making them an ideal family companion.
Though relaxed indoors, they do need light daily exercise and love to swim. Sweet, social, and always ready to help, they often work as therapy and rescue dogs.
Best For:
Families with space, time for grooming, and children who want a sweet, trustworthy companion who thrives on affection.
7. Saint Bernard
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Height: 26–30 inches
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Weight: 120–180 lbs
The Saint Bernard is a fluffy legend, known for rescuing travelers in snowy mountains. Once a working dog bred for pulling sleds and guarding livestock, this big dog is calm, loving, and endlessly patient.
They’re low-energy indoors but need daily walks to stay fit. With their thick coat and droopy eyes, they melt hearts easily. Expect moderate shedding and some drooling. Their friendly spirit makes them great with kids and gentle with guests.
Best For:
Families or individuals who want a large, easygoing dog with a history of heroism and a heart full of love.
8. Tibetan Mastiff
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Height: 24–30 inches
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Weight: 90–150 lbs
The Tibetan Mastiff has an ancient, noble past, according to the American Kennel Club. Bred to guard temples and flocks in the Himalayas, they’re one of the most independent guardians in the dog world.
They’re known to be aloof with strangers, which makes them perfect protectors, though they’re incredibly loyal to their families. Unlike many breeds, they don’t crave attention and prefer quiet bonding.
With their dense, lion-like coats, they need regular grooming. They’re not ideal for small kids or homes with hunting dogs, but they’re incredibly devoted once bonded.
Best For:
Owners seeking a bold, protective companion with experience handling independent breeds—perfect for large, quiet households.
9. Bernese Mountain Dog
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Height: 23–28 inches (minimum height for males is 25 inches)
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Weight: 80–115 lbs
The Bernese Mountain Dog is a true beauty from the Swiss Alps. These giant dogs are as friendly as they are fluffy.
Bred for farm work, they’re immensely strong, but you’d never guess it from their sweet expression. Their tricolor coat (black, white, rust) needs regular brushing.
They’re calm indoors but love the outdoors and do best with moderate daily exercise. Berners are known to be affectionate with kids, gentle with animals, and love being around people.
Best For:
Families in cooler climates who enjoy outdoor time and want a loving, hardworking dog with a gentle soul.
Conclusion
Big dogs may take up more space, but they also fill your life with more love. Their big size comes with a calm nature, making them excellent companions for families, singles, or anyone who appreciates loyalty and affection.
While they do grow from cuddly puppies into massive pets, their gentle hearts stay the same. It’s important to note that some big dog breeds can be prone to health problems, especially related to joints and the heart.
Regular vet visits, proper nutrition, and moderate exercise can help. Compared to smaller breeds, these giants may be slower, but they bring unmatched devotion.
If you’re ready for the commitment, a big dog can bring calm, love, and unforgettable companionship into your life—one giant cuddle at a time.
