What Is The Largest Breed Of Dog Known To Man?

This question deserves a couple of answers because of the term “the largest”. It can be understood either as the biggest or as the tallest.

The tallest breed, in average, is the Irish Wolfhound. It can reach up to 35 inches/ 89 cm in height. Tall is also a breed Great Dane. As a matter of fact, the tallest dog in the world at present is a Harlequin Great Dane named Gibson with 42.2 inches/ 107.2 cm height.

The biggest breed is the English Mastiff. Its height can be 30 inches/ 76cm and up, and can weight over 200 pounds/91 kg.

The largest dog ever, according the Guinness Book of World Records is an English Mastiff named Zorba . Its weight was 343 pounds and was 8 feet 3 inches long.