Top 10 Biggest Dog In The World Which You Can’t Believe

Have you ever marveled at the incredible size of some dog breeds? From gentle giants to colossal canines, the worlds biggest dog is truly astonishing. In this exploration, we’re going to dive into the top biggest dog in the world that are so massive, that you’ll hardly believe they’re real! Get ready to meet these magnificent breeds that not only boast impressive size but also fascinating histories and unique characteristics.

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What Are the Biggest Dog Breeds?

largest dog breed in the world

When we talk about what are the biggest dog in the world, we’re entering a world of towering tails and head-high hugs! Imagine a dog whose head you can barely reach or whose bark resonates like a bass drum. These breeds are not just big but colossal in heart and presence. Did you know what’s the world’s biggest dog can weigh more than a full-grown man, with the heaviest, the English Mastiff, tipping the scales at a whopping 343 pounds? Or that the tallest, the Great Dane, can stand 44 inches tall at the shoulder – that’s over 3.5 feet! These gentle giants, from the imposing Irish Wolfhound to the majestic Tibetan Mastiff, not only capture our hearts but also dominate any room they enter.

English Mastiff

English Mastiff

The English Mastiff, a breed synonymous with grandeur, holds records for its staggering size and the biggest dogs in the world. Males average around 30 inches in height and can weigh up to a massive 250 pounds! Historically revered as formidable guard dogs, today’s English Mastiffs are affectionate family pets known for their gentle demeanor. Despite their intimidating size, they’re often considered loving “lap dogs” at heart.

  • Height: Up to 30 inches (males)
  • Weight: Up to 250 pounds
  • Temperament: Gentle, affectionate

Saint Bernard

Saint Bernard

Famous for their role in mountain rescues, Saint Bernards are both massive and heroic. They typically stand around 28 inches tall and weigh up to 180 pounds. Breeders developed these dogs in the Swiss Alps for rescue missions in treacherous terrain. Today, people adore them for their friendly and patient nature, which makes them excellent family pets.

  • Height: Around 28 inches
  • Weight: Up to 180 pounds
  • Role: Alpine rescue

Great Dane

Great Dane

The Great Dane, often called the “Apollo of Dogs,” impresses with its height, reaching up to 32 inches. Though not the heaviest, they are among the tallest dogs, with a lean and muscular build. So, their amiable nature belies their imposing stature, making them beloved gentle giants in the canine world.

  • Height: Up to 32 inches
  • Weight: 140-175 pounds
  • Nature: Gentle and friendly

Neapolitan Mastiff

The Neapolitan Mastiff, known for its protective instincts, is a breed that commands respect. With a weight of up to 150 pounds and a height of about 31 inches, so this wild dog breed boasts an impressive presence. Originating from Italy, they were once used as war dogs in Roman times due to their intimidating appearance and fearless nature.

  • Height: Up to 31 inches
  • Weight: Up to 150 pounds
  • Historical Role: War and Guard Dog

Irish Wolfhound

Irish Wolfhound

Irish Wolfhounds, standing at an average height of 32 inches, are among the tallest dog breeds globally, ranking them as some of the largest dogs in the world. Their kindness makes them popular pets despite their size, and they were formerly powerful hunters.

  • Height: Average 32 inches
  • Weight: 105-120 pounds
  • Personality: Gentle and friendly



With its lion-like mane, the Leonberger is as impressive as it is massive. Popular as both a working dog and a family pet, these largest dogs in the world may reach a weight of up to 170 pounds and a height of around 30 inches. Originating from Germany, the Leonberger is as friendly and playful as it is big.

  • Height: Up to 30 inches
  • Weight: Up to 170 pounds
  • Versatility: Companion and working dog


largest dog species in the world

The Newfoundland is a breed that loves water as much as it loves its family. They may weigh up to 150 pounds and stand barely 28 inches tall but are famous for their amazing swimming skills. So, these dogs are highly regarded for their courage, friendliness, and loyalty; they were bred to do water rescues.

  • Height: About 28 inches
  • Weight: Up to 150 pounds
  • Skill: Expert swimmers, water rescue

Anatolian Shepherd

argest dog species in the world

The Anatolian Shepherd, a breed that has protected flocks for centuries, stands around 29 inches tall and can weigh up to 150 pounds. Originating from Turkey, the biggest dog in the world is known for their independence, intelligence, and protective nature, making them excellent guardians for both livestock and family.

  • Height: Around 29 inches
  • Weight: Up to 150 pounds
  • Role: Livestock guardian

Tibetan Mastiff

dog of world

The Tibetan Mastiff is as mysterious as it is massive. So, the Himalayan mastiff was bred to protect monasteries and stands at a towering 26 inches tall and 150 pounds on average. They are also famous for their lavish, thick coats, autonomy, and strong desire to protect the people they love. This breed is one of the strong bite dog breed in the world.

  • Height: Around 26 inches
  • Weight: Up to 150 pounds
  • Origin: Himalayas, monastery guard

Caucasian Shepherd

biggest canine breed

The Caucasian Shepherd, an imposing breed, stands around 30 inches tall and weighs as much as 170 pounds. Originally bred for protecting livestock against predators in the Caucasus region, the worlds fattest dog in the world is also known for their courage, loyalty, and formidable nature.

  • Height: Up to 30 inches
  • Weight: Up to 170 pounds
  • Trait: Courageous and loyal

What to Know About Biggest Dog In The World Care?

Care for the world most biggest dog requires certain considerations. Their nutrition demands are as enormous as their size—they need high-quality food to be healthy. Additionally, their exercise needs, though varying by breed, are significant. Finally, regular vet check-ups are essential to monitor their health, given their susceptibility to certain breed-specific ailments.

Behavioral Traits and Training Needs

Understanding the behavioral traits of these large breeds is crucial. While they are generally known for their gentle nature, early training, and socialization are key to managing their size and strength. It’s important to remember that despite their size, many of these breeds have a gentle disposition and respond well to positive reinforcement training methods.

Frequently Asked Question

The English Mastiff holds the record, with some weighing up to 343 pounds.

The Great Dane can also reach up to 44 inches at the shoulder.

Yes, many breeds, such as the Newfoundland and Saint Bernard, have a gentle nature with families.

Generally, yes Large breeds typically require more space for comfort and exercise.


Exploring the world of the biggest dog in the world reveals not just their impressive size but also their unique histories of dog, characteristics, and roles in human lives. So, these breeds, ranging from the protective Anatolian Shepherd to the noble Irish Wolfhound, offer a glimpse into the diverse and incredible world of canines. If you’re contemplating adopting one of these lovely breeds, proper ownership and knowledge of their requirements are essential. With their large stature and loving attitude, these gentle giants will also make a lasting impact on any dog owner.

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