Ever wondered which dogs are the largest in the world? Before making a list, you must define what you mean by the biggest. Although some dog breeds are exceptionally tall, if you list the largest dogs in the world as the heaviest, then here is your final result. In compiling this list, only breeds recognized by the Kennel Club of America were considered. We then compiled a list based on the smallest weight allowed for a male of this breed. Here are the largest canines in the world. Where there was a tie, the highest and lowest allowable weight was given to the higher place.
# 15 Largest Dog Breeds: Dogue de Bordeaux – 99 to 110 pounds
The Dogue de Bordeaux male weighs 110 pounds and the females 99 pounds. This dog may have the largest head of any breed in the world. This breed originated in the Bordeaux region of France in the 14th century. People often use it to guard livestock and tow heavy carts.
Find out more about the Dogue de Bordeaux.
# 14 Largest Dog Breeds: Bernese Mountain Dog – 70 to 115 pounds
Bernese mountain dogs weigh between 80 and 115 pounds and bitches between 70 and 95 pounds. Bright black, pure white and rusty colors are the distinguishing features of this breed. These dogs were originally bred in Switzerland, they love the cold. They often make excellent family dogs, but many become attached to one family member.
Learn more about the Bernese Mountain Dog.
# 13 Largest Dog Breeds: Irish Wolfhounds – 105 to 120 lbs
Male Irish Wolfhounds weigh about 120 pounds and females about 105 pounds. This dog will appear even bigger because it is 3 feet tall. Although originally bred in Ireland to get people out of chariots and horses, they make excellent dogs for obedience training. They are also often used as rescue canines due to their height and desire to please.
Learn more about Irish Wolfhounds.
# 12 Biggest Dog Breeds: Bullmastiffs – 100 to 130 pounds
Bullmastiff dogs must weigh 110 to 130 pounds and bitches must weigh 100 to 120 pounds. This breed was bred in England to protect against poachers in large country estates. This breed has an inherited instinct to knock strangers off their feet and nail them to her until ordered to let go. Therefore, early socialization is a must.
Learn more about bullmastiffs.
# 11 Biggest Dog Breeds: Black Russian Terrier – 80 to 130 pounds
All Black Russian Terriers must weigh between 80 and 130 pounds. This dog is about 30 inches tall at the shoulders and this breed looks even larger due to the way it carries its massive head. This dog was bred to patrol the mountains of Siberia and loves cold weather.
Learn more about Black Russian Terriers.
# 10 Largest Dog Breeds: Neapolitan Mastiff – 110 to 150 pounds
Male Neapolitan Mastiffs should weigh 150 pounds and females 110 pounds. However, the Neapolitan Mastiff has many wrinkles and droopy lips. He also has a very prominent head.
Learn more about the Neapolitan Mastiffs.
# 9 Largest dog breeds: Newfoundland – 100 to 150 pounds
Newfoundland males should weigh between 130 and 150 pounds and bitches between 100 and 120 pounds. While most of the heaviest dogs in the world were bred to guard livestock, the Newfoundland was bred to aid commercial fishermen. In addition, early explorers used this breed frequently. It is reported that Lewis and Clark traveled with a Newfoundland named Sailor. One of the largest Newfoundlands in history is Tiempo, who weighs 178 pounds when he is just three years old.
Learn more about Newfoundlands.
# 8 Largest Dog Breeds: Anatolian Shepherd Dog – 80 to 150 lbs
Male Anatolian Shepherd Dogs weigh between 110 and 150 pounds and females weigh between 80 and 120 pounds. Breeders originally developed this breed in the Kangal region of Turkey to keep livestock as their protectors. However, the Anatolian Shepherd’s gentle nature makes it an excellent family dog.
This breed reaches 30 inches in height at the shoulders. Despite its large size, this dog can run up to 30 miles per hour. His skin is so hard that a wolf bite won’t rip it open. In addition, the unique coat of this dog keeps you warm in winter and cool in summer, while repelling moisture.
Learn more about the Anatolian Shepherd Dog.
# 7 Largest Dog Breeds: Tibetan Mastiff – 70 to 150 pounds
The American Kennel Club states that male Tibetan Mastiffs should weigh 90 to 150 pounds and females should weigh 70 to 120 pounds. This breed can make excellent guard dogs, as their weight and height, which is usually around 26 inches at the shoulders, makes them intimidating. If you are looking for an independent dog that may have a hard time seeing you as the leader of the pack, this breed may be for you.
Learn more about Tibetan Mastiffs.
# 6 Largest Dog Breeds: Caucasian Shepherd Dog – 77 to 170 lbs
The Caucasian Shepherd Dog can weigh 99 to 170 pounds. This dog from Georgia, Russia is often used as a prison guard dog. These dogs have beautiful long hair. The coat, especially in males, should form a mane and look as if the dog is wearing pants on the hind legs. Males are often shorter than bitches and have a more muscular build.
# 5 Largest dog breeds: Leonberger – 90 to 170 pounds
According to the Kennel Club of America, male Leonbergers should weigh between 110 and 170 pounds and females between 90 and 140 pounds. Most are about 30 inches tall at the shoulders. This breed has a unique lion’s mane on the neck and chest. Rescuers on the water often use them because of the waterproof coat. They are also used for grazing animals and as watchdogs due to their size.
# 4 Largest Dog Breeds: Great Dane – 110 to 175 pounds
The American Kennel Club standard states that the Great Dane must weigh between 140 and 175 pounds, and females must weigh between 110 and 140 pounds. Although there are heavier breeds, the Great Dane Zeus was one of the tallest dogs in the world. Zeus was 44 inches tall at the shoulders and when he stood on his hind legs he was 7 feet 4 inches tall.
Learn more about Great Dane.
# 3 Largest dog breeds: St. Bernard – 120 to 180 pounds
St. Bernard dogs should weigh between 140 and 180 pounds, and bitches between 120 and 140. Since males must be at least 27.5 inches tall at the shoulders, this dog has a massive appearance. People bred this breed to rescue alpine climbers. The face of the St. Bernard is pleasant in appearance, with a wrinkled forehead and a short muzzle.
Learn more about the St. Bernards.
# 2 largest dog breeds: Boerboel – 150 to 220 pounds
Boerboels weigh between 150 and 220 pounds, with no difference between males and females. Farmers in South Africa have often used this breed after initial rearing to kill leopards and baboons. This dog is known to be a little aggressive, so good socialization is a must if you have a dog of this breed.
# 1 Largest Dog Breeds: Mastiff – 160 to 230 lbs
The largest dog in the world as of 2021 was the English Mastiff, a breed recognized by the American Kennel Club for Mastiffs. This dog, named Aikama Zorba, weighed 343 pounds. However, usually male mastiffs weigh between 160 and 230 pounds and females between 120 and 170 pounds. These dogs should be about 30 inches tall at the shoulders, with bitches slightly shorter.
Learn more about Mastiffs.
If you love large dogs, think about the type of work you want the dog to do before deciding which of these breeds is right for you. There are many different factors to consider when choosing a large dog, including the amount of space available and the amount of food it will eat. Consider their height and size, as some are thinner, taller or shorter than others. They can make excellent watchdogs and loyal companions.