Plenty of dog breeds have hearts as big as their impressive builds. Typically, any dog weighing over 50 pounds falls into the large breed category—so yes, even the beloved Golden Retriever sits on the smaller end of that scale.
Didn't see that coming? Just wait until you meet the Saint Bernard, which can weigh in at a massive 260 pounds! Keep reading to discover more of these gentle giants who are as loyal as they are lovable.
Great Pyrenees: 85-120 Pounds
The Great Pyrenees—often called Pyrs—might look like oversized fluff balls, but don't be fooled. These gentle giants were bred to guard livestock and fend off predators, making them both cuddly and capable.
While they have a calm, affectionate nature with loved ones, they're always alert to potential threats. Smart and independent, Pyrs are naturally energy-efficient, preferring purposeful activity over flashy obedience tricks. In their minds, their main mission is clear: protect the ones they love.
Weimaraner: 55-90 Pounds
The Weimaraner resembles the Labrador Retriever in build and coat texture but stands out with its long, velvety ears and distinctive gray-brown fur. Much like Labs, they thrive on human companionship and respond well to training, making them easy to teach.
Renowned for their affectionate nature, Weimaraners are wonderful with kids. Their gentle, soulful eyes reveal their sharp intelligence. Bold and energetic, they need plenty of exercise and are ideal partners for long runs or active adventures.
Boerboel: 150-200 Pounds
The strong-willed Boerboel is confident and eager to learn. While bred for protection, they usually have a calm and steady temperament. However, their territorial instincts mean they can be wary of other dogs and should be leashed during outings.
What seems like a laid-back puppy can quickly grow into a fierce guardian fiercely devoted to their family. Early socialization and training are essential with this intelligent breed. Above all, Boerboels form deep bonds and love their owners with unmatched loyalty.
Labrador Retriever: 55-80 Pounds
The American Kennel Club (AKC) names the Labrador Retriever as America's favorite dog—and it’s easy to see why. These affectionate pups have a loving look that perfectly mirrors their warm personalities. Although not as huge as some large breeds, their boundless energy is still quite noticeable.
Known for their friendly and outgoing nature, Labs thrive on social interaction and gladly spread their affection to every family member. They’re wonderful companions who bring joy to any household.
Newfoundland: 100-150 Pounds
Standing on its hind legs, this Newfoundland appears almost as tall as its owner. With its dense, fluffy coat, the breed has a distinctly bear-like appearance—but don't be fooled, these dogs are famously gentle and kind-hearted.
Their warm, expressive faces resemble those of Saint Bernards and perfectly match their friendly temperament. Known for being great with children, their sheer size can sometimes pose a challenge. While they’re only moderately active, Newfoundlands are fiercely loyal and won’t think twice about leaping into action to protect someone they care about.
Great Dane: 100-175 Pounds
Ranked 16th out of 195 by the American Kennel Club, Great Danes are well-known for their towering stature and gentle nature. At about 30 inches tall at the shoulder—and even taller when standing—they're hard to overlook.
Though they may appear intimidating, Great Danes are calm, affectionate, and remarkably patient. They're sociable and easygoing but will step up to defend their family if the situation calls for it. With the right care, these majestic dogs can live up to 10 years—about average for a breed of their impressive size.
Scottish Deerhound: 75-110 Pounds
Scottish Deerhounds feature a long, narrow snout similar to that of the Borzoi. With their tall, lean physique and elegant bearing, they truly embody grace. Known for their bravery yet gentle and courteous nature, they're often seen as the noble knights of the canine world.
The AKC strongly suggests providing a companion for this breed, cautioning against leaving them alone for extended periods. While not overly energetic, they do enjoy running and require regular exercise to stay content. These sensitive dogs respond well to training and deeply cherish their time with people.
Black Russian Terrier: 80-150 Pounds
This Black Russian Terrier is fully engaged alongside his owner and boxing coach. These strong, robust dogs thrive on training. They require plenty of exercise and plenty of human interaction to remain content and well-behaved, making them ideal partners for trainers.
Renowned for their intelligence and bravery, these dogs rarely back down from a challenge, confident in their size and strength. Establish yourself as a firm yet respectful pack leader, and these loyal companions will adore you for life.
Bernese Mountain Dog: 80-110 Pounds
The stunning Bernese Mountain Dog boasts a silky, tricolored coat that practically invites petting. With their dignified stance and heart-melting eyes, it's clear just by looking at them that these dogs make wonderful companions.
Strong yet calm, powerful yet gentle, Bernese Mountain Dogs are protective, but their affectionate nature shines through with their families. While they may be reserved with strangers, they love to please their owners. These dogs thrive being close to their family and excel in outdoor activities, making them the perfect companion for your next camping trip.
Neapolitan Mastiff: 110-150 Pounds
Next time someone jokes about you having a big head, just point them toward the Neapolitan Mastiff. With their massive skulls and signature droopy faces, these gentle giants are irresistibly snuggly and full of love.
Despite their somber expressions, Neapolitan Mastiffs are highly alert and incredibly strong. Their large frames can be tough on their joints, so they benefit from a balanced routine of moderate exercise and plenty of rest. Fiercely loyal and protective, they're always ready to stand guard and keep their loved ones safe.
Saint Bernard: 140-260 Pounds
If you've ever watched the Beethoven movies, then you know Saint Bernards are basically oversized, lovable pups. Their playful, inquisitive nature means they're always eager to explore—and without proper training, that curiosity might lead them right across your dinner table.
Thankfully, their hearts are as big as their paws. Saint Bernards are devoted to their families and thrive on making their people happy. With their endearing expressions and famously gentle demeanor, especially around kids, it's no wonder they're adored by so many.
Borzoi: 60-100 Pounds
The Borzoi is a breed that many people have never encountered, let alone heard of. These elegant dogs are tall and slender, with flowing, shaggy coats and tails that resemble those of a horse. Known for their graceful stride, Borzois can reach impressive speeds of up to 40 miles per hour.
Their build is similar to that of a Greyhound, and they were once called Russian Wolfhounds. Despite their hunting origins, Borzois are gentle, affectionate companions who prefer lounging over roughhousing. With a life expectancy of up to 14 years, they tend to outlive many other large breeds.
Leonberger: 90-160 Pounds
Leonbergers, called Leos for short, are just as playful and affectionate as their facial expression implies. The large breed has such a tall stance that you'd almost think is was a miniature horse hidden beneath that shaggy fur. Their lush coat is multi-colored and waterproof, making them well-suited for the snow.
Leo males often have darker fur in their face and neck, giving the appearance of a lion's mane. Though they are generally calm dogs, they have a zest for hard work and need regular exercise. These gentle giants love companionship and will bond with the whole family.
Alaskan Malamute: 70-100 Pounds
Alaskan Malamutes are natural pack animals with a background in sled pulling and endurance work. When they recognize you as their leader, they're more than willing to follow your lead. With their powerful build, they’re capable workers—but they also have a playful, affectionate side.
These dogs thrive under strong, consistent guidance. The more confident you are as their "coach," the more cooperative they become. Malamutes love staying active and are up for almost any adventure, making them the perfect companion for someone with an energetic lifestyle.
Dogue de Bordeaux: 100-140 Pounds
The Dogue de Bordeaux is notably loyal and protective, making them guardians of the family. Though they are not afraid to defend the ones they love, they enjoy affection and will be happy to spend tons of time cuddling on the couch.
Due to their thick build, they should avoid high impact activities such as jumping off high surfaces. They do require moderate exercise, though, and swimming is one of the healthiest options for the breed. They only drawback of these companion dogs is that they have a shorter life expectancy than some other large breeds.
Irish Wolfhound: 105-180 Pounds
The Irish Wolfhound looks similar to the Scottish Deerhound but isn't as slender. They grow to be 30 inches tall (to the shoulder) at minimum and have a sturdy, muscular physique. Though their size can be intimidating, they have a calm and serene demeanor.
While these dogs are kind, they are also fearless and have a strong instinct to hunt. By the same token, they love lounging around the house with their owner. They are notably patient and agreeable with their humans, even children.
Golden Retriever: 55-75 Pounds
This list wouldn't be complete without the Golden Retriever, one of the most beloved dogs in America. Though Labs beat them in AKC's popularity ranking, they still are among the most well-known dogs in the country.
These active and friendly dogs work hard and play hard. They are serious workers, but they also never seem to lose their joyous, puppy-like attitude. Golden Retrievers are among the easier breeds to train and adore lots of activity, particularly with their humans.
Tibetan Mastiff: 75-160 Pounds
With its thick, luxurious coat, the Tibetan Mastiff looks more like a lion than your average dog. These fluffy giants are cuddle royalty, known for their calm presence and deep devotion to their families—though they usually keep their distance from strangers.
Exceptionally smart, Tibetan Mastiffs are more into saving their energy than chasing tennis balls. Their independent nature and dislike for repetition might be why they aren't fans of standard obedience drills. But once you’ve gained their trust, you’ll have a fiercely loyal and affectionate companion by your side.
Doberman: 70-100 Pounds
The Doberman Pinscher, commonly called the Doberman, is a powerhouse of muscle and agility, capable of moving with the speed and grace of a cheetah. Their sleek, streamlined bodies enhance their athleticism, while their fearless nature makes them exceptional guard dogs.
Devoted to their owners, Dobermans thrive when included in regular exercise routines. However, they can be stubborn, so starting training early is crucial. While they're eager to please, they require an owner who’s just as strong-willed and confident as they are.