7 Strongest Dog Breeds in the World – Dogs can be big or small, but some are super strong. These breeds have lots of muscle, tough bones, and brave hearts. They were made for hard jobs like pulling heavy things, guarding homes, or hunting big animals. If you like strong dogs and want one that’s really powerful, here are seven of the strongest breeds in the world. Each one is special—some are huge, some are fast, and all are amazing.
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1. Kangal
The Kangal comes from Turkey and is a huge dog—110 to 150 pounds. It’s strong with a thick coat in tan or gray. Kangals were made to guard sheep from wolves and bears, so they’re tough and not scared of anything. They might have the strongest bite of any dog—over 700 PSI, which can break bones!
They’re nice to their family and super loyal, but they need space to move and something to guard. Their short fur is easy to brush, but they eat a lot. If you want a dog like a big, strong wall, the Kangal is the best.
Also Read: 5 Dog Breeds That Look Like Wolves
2. Saint Bernard

The Saint Bernard is from Switzerland and weighs 140 to 180 pounds—or more! It’s got thick white-and-brown fur and a big, strong body. These dogs used to save people lost in snowy mountains, carrying stuff or digging them out.
They’re so strong they can pull things twice their weight! They’re calm and sweet, great with kids, and don’t need tons of running—just a big walk. Their fur sheds, so brush them often. For a strong and gentle dog, the Saint Bernard is awesome.
3. Rottweiler

The Rottweiler comes from Germany and weighs 80 to 135 pounds. It’s got a strong body and short black-and-tan fur. Long ago, they moved cattle and pulled carts, so they’re made for hard work. Rottweilers are brave and strong, often guarding homes or helping police.
They’re smart and stay calm, but they need training to control their power. A good run or play keeps them happy, and their fur is easy to care for. If you want a strong and loyal dog, the Rottweiler is great.
4. Caucasian Shepherd
The Caucasian Shepherd is from Russia and weighs 110 to 220 pounds! It’s got fluffy fur in gray, white, or brown and lots of muscle. These dogs guarded sheep from bears and wolves, so they’re super strong and bold. They can lift heavy stuff or fight big animals if they need to.
They’re nice to their family but need a big space and a strong owner. Their long fur needs brushing a lot. For a dog that’s like a giant shield, the Caucasian Shepherd is top-notch.
5. English Mastiff

The English Mastiff is from England and weighs 120 to 230 pounds—or even more! It’s got short fur in fawn, apricot, or brindle and a massive body. Long ago, they guarded homes and fought in battles, showing their big strength. They can pull heavy things or just look scary enough to keep trouble away.
They’re chill and loving with their people, needing just a steady walk. Their fur is easy to care for. If you want a strong dog that’s calm, the English Mastiff is a winner.
6. Dogo Argentino
The Dogo Argentino is from Argentina and weighs 80 to 100 pounds. It’s got a smooth white coat and a body full of muscle. It was made to hunt wild boar and pumas, so it’s fast and strong. These dogs can chase big animals and hold them down—their power is in their speed and guts.
They’re loyal and guard well, but sweet with their family. They need lots of running or hard play, and their fur is simple to clean. For a strong and lively dog, the Dogo Argentino is super.
7. Tosa Inu
The Tosa Inu comes from Japan and weighs 100 to 200 pounds. It’s got short fur in red, fawn, or brindle and a strong body. They were bred for dog fighting a long time ago, so they’re built big and tough like sumo wrestlers.
Tosa Inus can push or pull hard and guard quietly. They’re calm and nice with their family but need training to handle their strength. A good walk keeps them happy, and their fur is easy. If you want a strong and steady dog, the Tosa Inu is cool.
Also Read: 7 Best Apartment-Friendly Guard Dog Breeds
Why These Dogs Are Strong
These breeds are the strongest because:
- Muscles: They’re built big and powerful.
- Jobs: They were made for tough tasks like guarding or pulling.
- Bravery: They’re not afraid of anything.
- Bodies: Their bones are solid and ready for work.
- Energy: Some have lots, making them extra strong.
Things to Know Before You Get One
These strong dogs are great, but think about:
- Space: Big ones like the Caucasian Shepherd need room—not great for tiny homes.
- Exercise: Some need lots of running; others are okay with less.
- Training: Teach them early so their strength is safe.
- Food: They eat more because they’re big.
- Time: They like being with you, so hang out with them.
Living With a Strong Dog
Having one of these dogs is like having a superhero friend. Picture your Kangal watching your yard or your Saint Bernard napping by the door—big and ready to help. They make your day exciting—pulling you on walks or just sitting there looking tough. They guard your home and cuddle with you too. Their size is big, but their love is bigger. Their cool looks—like the Rottweiler’s bold face or the Tosa Inu’s strong stance—make everything fun.