Most Dangerous Dog Breeds In The World

These dangerous dogs are definitely NOT man's best friend.

Dogs are often loving and loyal companions, earning the nickname “Man’s Best Friend.” Some breeds, though, are predisposed to violent outbursts and have a history of hurting and even killing strangers or even their owners.

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Proper care and training can go a long way but all breeds are not the same.

Many dogs have been breed with focuses on specific instincts and tendencies that can create a large difference in behavior. Size also makes a big difference in the dogs ability to hurt humans.

In this gallery we will take a look at some of the most dangerous.


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Though the reputation of doberman’s has improved over the years, they still are potentially dangerous with their size and strength. In 2011, and elderly woman in the United States was killed by her pet doberman.

German Shepherd

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Often trained to be police dogs, German Shepherds must be properly raised. They have a reputation for attacking smaller dogs, which can be particularly devastating with their over 1,060 newton bite force.


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According to the CDC, Rottweilers were responsible for half of all dog bite deaths in the United States between 1993 and 1996. The are extremely powerful and their bite force measures from 1,180 to 1,460 newtons.

Pit Bull

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Many countries around the world have banned the pit bull because they are so violent by nature. A study released in 1991 found that 94% of the attacks on children by pit bulls were unprovoked, more than double the percentage of unprovoked attacks from other breeds. Pit bulls kill a couple dozen people in the Unites States each year.

Great Dane

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Believe it or not, Great Danes can be very dangerous if they’re not cared for the right way. The “gentle” giants can get up to 200lbs and can get to stand pretty tall.

Fila Brasiliero

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Also known as the Brazilian Mastiff, these dogs have incredible tracking abilities, but are matched with reckless and aggressive tendencies. Because of the fact that they are sometimes uncontrollable, they have been banned in certain countries.

Akita Inu

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The dog known for being independent and strong can definitely be aggressive at the same time. Originating from the mountains of Japan, this breed can be very aggressive towards strangers with their territorial attitude.


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Boxers are decedents of hunting dogs. In the past they were even used as attack and guard dogs. Known for their strong jaws and powerful biting, there has even been a fatality caused by a boxer as recent as 2013.

Bull Terrier

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Known for being a very strong dog, this breed is the top dog when it comes to pound-for-pound muscle. They have a very strong “prey drive” making them extremely dangerous around smaller dogs.


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While Dalmatians are mostly great dogs, if they aren’t trained right or exercised enough they can become aggressive and rowdy, even with their owner.


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The University of Texas did a study on Malamutes, and they were responsible for five fatal dog bites from the 60’s to 80’s. Sure it was a long time ago but the connection with the breed is still alarming.


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Just like the Malamute the Husky is also mainly used as a sledding dog. They aren’t really supposed to be very social, and they can get aggressive, especially when they are taken out of their natural climate. Siberian Huskies were responsible for 15 deaths in the U.S. from 1979 to 1998.

Husky Breeds

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Because of the Husky not being a social-type dog, anything bred with it can obtain these traits, and many different dogs bred with Huskies can become aggressive.

Caucasian Ovcharka

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The Caucasian Ovcharka is a strong-willed and assertive breed. They are used to protect livestock, but when they aren’t trained right they can have unmanageable actions towards strangers.

Rhodesian Ridgeback

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Known for being a great hunting dog, they can be very loyal to their owners, but not so much towards strangers. A very oversensitive breed that develops aggressive behavior if not taken care of correctly.


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Large and intimidating, the males can reach up to 130lbs. The Bullmastiff breed used to be bred as guard dogs, as they have a naturally aggressive temper. There was even a death caused by this dog this year in New Jersey.

Cane Corso

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Another dog with a good amount of muscle, these dogs can weigh up to 150lbs and were used in Roman warfare.

Dogo Argentino

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These dogs are large and very muscular. Mainly bred in Argentina for hunting, they are extremely strong but non-agressive towards humans. However, it is illegal to own these dogs in the UK because of a Dangerous Dogs Act placed in 1991.

Saint Bernard

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Commonly known as a rescue dog, these dogs can be HUGE. But underneath they have to be specially trained to get along with humans to avoid their aggressive behavior.


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A Basenji is another breed of hunting dog, but they are also known to be the 2nd hardest dog to train of all breeds of dog. This makes them completely unpredictable even to long time owners.

Boer Boel

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While a very loyal breed, these dogs can get very defensive. Originating from South Africa, they are a very protective dog who have a purpose of protecting farms and homes.

American Bulldog

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As a very heavy and muscular breed, they also can be stubborn because of its high level of confidence.

American Bandogge

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An American Bandogge is a breed between a Pitt Bull Terrier and a Neapolitan Mastiff. This is a very strong dog that is used for breeding fighters.

Wolf Hybrids

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Technically, all dogs are descendants of wolves, but a lot of the dogs today are still bred directly with wolves. Because of the obvious danger with wolves, breeding with them can result in an extremely unpredictable animal. Dogs of this type are actually banned in quite a few states.

Tosa Inu

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These dogs are massive. They can weigh up to 200lbs and their height gets to up to 32 inches. These are normally bred to be fighting dogs, and they are considered dangerous and illegal to breed in most countries.

Chow chow

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They need some serious attention from owners if they don’t want them to become super aggressive. Once that is done, the Chow Chow will be fiercely protective of it’s owner.

Alaskan Malamutes

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Another breed related to the Siberian Husky, these require plenty of daily activity. If they don’t get this activity they become very destructive and disobedient. Along with this, they are very hard to train.

Japanese Tosa

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Another dog that if not trained right can become aggressive, even towards it’s owner. They are also a part of the United Kingdom’s Dangerous Dogs Act.

Perro de Presa Canario

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More commonly known as “Dog Canario”, these dogs have a very dangerous reputation. They are very big and muscular, and have a history of becoming very aggressive when they aren’t trained properly.

Gull Dong

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The Gull Dong, or Pakistani Bull Dog, is bred in Pakistan and commonly gets adopted because the owner believes that they will protect the house from criminals.

What do you think of these dogs? Dangerous? Let us know your thoughts!

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