You ever met someone’s giant dog and immediately forgot what you even came over for?
You walked in for dinner. Now you are on the floor. A 130-pound dog has its head on your chest. You cannot move. You do not want to move. Dinner can wait.
That is the giant dog experience.
And once you have had it, small dogs feel like a different hobby.
Most people shopping for a big breed cycle through the same list.
Great Dane. Saint Bernard. Bernese Mountain Dog. Irish Wolfhound.
All excellent dogs, zero argument there.
But the canine world is big, and there are rare giant breeds out there that are just as loyal, charming, and way more interesting than the usual suspects.
These are the rare giant dog breeds with unmatched loyalty and charm. Buckle up.
Rare Giant Dog Breeds With Unmatched Loyalty and Charm
1. Borzoi
Long flowing coat, narrow aristocratic face, a body that moves like it is swaying.
Originally bred in Russia to hunt wolves in packs, the Borzoi is one of the most visually dramatic giant dog breeds alive, isn’t it?
Somehow, this Greyhound-like hunting dog is completely unknown at most American dog parks.
PLOT TWIST!! That dramatic exterior is pure mush inside.
The American Kennel Club calls them impressively beautiful and affectionate family pets. They are loving of family members, calm indoors, and follow their people around with devotion.
They are not a guard dog or intimidating to anyone. All you get is a gorgeous, silky giant that wants to be near you.
They need a solid daily run, but are low-key inside the house. Watch joint health and hip dysplasia as they age. Early socialization with other pets is super important for this Russian dog breed. That wolf hunting instinct never fully retires.
Stunning, rare breed. Completely underrated as family dogs.
2. Leonberger
Heinrich Essig crossed Saint Bernards, Great Pyrenees, and Newfoundlands until he produced a dog resembling the lion on his town’s crest.
The Leonberger is massive and golden-maned. It makes people gasp on the street and immediately ask to pet it.
These large dogs tend to be affectionate and patient with children, and deeply loyal in a way that will make you feel guilty every time you leave for work.
They were used in both World Wars, so yes, they are brave, too.
They need ample space (hey, a large dog breed here!), enough exercise, and serious grooming commitment. Hills Pet Nutrition mentions they are very trainable and intelligent dogs.
Life expectancy runs 6-7 years, which is a painful reality for most giant dog breeds.
But 7 years with a Leonberger genuinely hits different. You will love this big dog breed.
3. Kuvasz
The Kuvasz has guarded Hungarian livestock and royalty for centuries, and it carries itself like it knows that.
This ancient breed was originally bred to protect livestock from wild predators and serve as a personal guard dog for medieval Hungarian nobility.
Purina mentions that King Matthias I loved these puppies and reportedly trusted his Kuvasz dogs more than his own guards. Wild, right?
These guard dogs are fiercely loyal to family members and deeply suspicious of strangers.
Early training and socialization are non-negotiable because this dog has a strong will and independent thinking that will run the house if you let it.
They thrive in colder climates, need physical exercise and ample space, and are NOT suited for first-time dog owners.
But the right dog owner gets a powerful and loyal giant that takes protecting its people more seriously than any other breed on this list
4. Landseer
Most people see a Landseer and say, “Cute Newfoundland!”
Not a Newfoundland. Similar energy, but a different dog.
The Landseer is a distinct big dog. It is black and white, where Newfoundlands are usually solid.
Named after British painter Sir Edwin Landseer, these dogs were originally bred as water rescue dogs in cold coastal regions.
Excellent swimmers, born for the water, with an affectionate nature. What a package, eh?
These water dogs have a calm demeanor and a patient nature for children and other pets.
ZERO aggression whatsoever.
This is a dog that walks up to a crying toddler and sits next to them without any training. CKCUSA mentions that they are too loving for the children, almost “nanny dogs” like Newfies.
They struggle in heat, need exercise, and joint health monitoring is important as they age. Hip dysplasia is a real consideration in large breeds.
But for families who want a gentle giant that could theoretically save someone from drowning, this is a perfect match.
5. Dogue de Bordeaux
If you have watched Turner & Hooch, you have met the Dogue de Bordeaux.
That HUGE, wrinkled, perpetually opinionated face belongs to the French Mastiff, one of the oldest dog breeds in France. That movie came out in 1989, and America still mostly forgets this breed exists.
Behind all those wrinkles is one of the most affectionate, devoted giant dogs. This working dog bonds deeply with family members and is gentle for a dog that weighs as much as a grown adult (99-120 pounds).
They are not high-energy dogs. Regular exercise and a comfortable living space are enough for them.
Health issues are real, though.
Heart disease and joint problems are common, and life expectancy is shorter than you want (5-8 years).
Training from an early age is super-important. A 120-pound wrinkly dog with bad manners is nobody’s good time. But a well-raised Dogue de Bordeaux is loyal, loving, and hilarious to own.
6. Black Russian Terrier
The Black Russian Terrier is a massive working dog developed by the Soviet military after World War II. They needed a fearless, intelligent, weather-resistant war dog for military operations.
So, they crossed Giant Schnauzers, Rottweilers, Airedale Terriers, and others until they got one.
The result is a giant black dog breed that looks like a bouncer and loves like a great companion.
These dogs are confident, intelligent, and protective without being reactive. They assess situations calmly and respond to genuine threats.
Training and proper socialization are non-negotiable. This big breed needs experienced dog owners who provide structure. Without that, it writes its own rules.
With proper handling, it is one of the most impressive rare giant breeds on this list.
7. Tornjak
The Tornjak has protected livestock from wild predators across Bosnia and Croatia for over a thousand years, as the United Kennel Club noted.
A thousand years. Meanwhile, most Americans cannot pronounce it.
That is a branding problem this dog urgently needs to fix.
This large and powerful dog does not panic or overreact, but it responds to threats with the calm confidence of a dog that has been doing this job since medieval times without a bad shift.
It also forms deep bonds with family and farm animals equally. Plus, it thrives in colder climates, needs ample space, and is happiest with a real working role.
For farmers wanting an ancient breed with proven protective instincts and zero hype, the Tornjak is a great match.
8. Maremma Sheepdog
The Maremma Sheepdog has been guarding livestock across central Italy since ancient Rome. Ancient Rome.
This fluffy, powerful, white dog breed has been doing one job with calm authority for longer than most countries have existed.
This is a pure livestock guardian breed. It does not herd but protects and bonds with its animals as fiercely as it does with family members.
This is an independent thinker by design, noted Omlet. A livestock guardian that needs constant instruction would not survive a night with actual predators. Plus, they have sass.
Early socialization shapes how that independence expresses itself.
A well-raised Maremma is gentle, loyal, and trustworthy around other pets and family members.
Rare, ancient, and underserved by the American pet market. YEP! These farm dogs are something else.
9. Greater Swiss Mountain Dog
You can think of a Bernese Mountain dog, but only bigger, more athletic, and slightly less famous.
The Greater Swiss Mountain dog, Swissy to its fans, was originally bred in the Swiss Alps as a farm dog and cattle herder.
They used to move carts, herd livestock, and work brutal hours in harsh weather. Then they came home and cuddled the family as if none of it had happened. Because, oh boy, they are incredibly affectionate dogs.
These Mountain dogs are intelligent and trainable with a calm presence. They are good with other pets and even other dogs when socialized early.
Plus, they work hard and love hard in completely equal measure.
Keep in mind that these dogs need regular exercise, physical stimulation, and mental challenges. On top of that, they have proper grooming needs.
For families who want a big breed to guard homes and love family members, the Greater Swiss Mountain Dog does both and makes it look effortless. These are excellent guardians, hands-down.
Conclusion
Giant dog breeds are a whole different category of pet ownership.
Cherry on top, these are rare dogs. Ancient breeds.
They need more space, more food, and more grooming than smaller breeds. More vet bills, too.
And a life expectancy that never feels long enough, which is one unfair thing about loving a big dog.
But the loyalty, the calm presence, the way a giant breed walks into a room and makes everyone feel safe…
Responsible breeding is the way to go to adopt a rare giant dog. They are well-suited for experienced dog owners.
So…
Find your giant, make room, and you will wonder how you ever lived without 130 pounds of unconditional love.
