9 of the World's Largest Dog Breeds

Tall and strong, reaching 28-30 inches tall, originating from Germany.

1. Great Dane

Massive guard dog, 26-31 inches tall, known for protectiveness.

2. Neapolitan Mastiff

Tall and speedy, up to 32 inches tall, bred for deer hunting in Scotland.

3. Scottish Deerhound

Tallest breed, males 32-35 inches tall, once used to hunt wolves.

4. Irish Wolfhound

Also known as Bordeaux Mastiff, 23-27 inches tall, with the largest head in proportion to body size.

5. Dogue de Bordeaux

Strong swimmers, 26-28 inches tall, bred for water rescue.

6. Newfoundland

One of the largest, up to 30 inches tall, originally used for blood sports.

7. English Mastiff

Alps rescue dogs, 26-30 inches tall, gentle and family-friendly.

8. Saint Bernard

Crossbred breed, 25-31 inches tall, originally from Germany.

9. Leonberger