What is the biggest breed of dog?

Answer by  33toner (73)

This question can have two very simple answers. If you are looking for one of the tallest dogs it is either a Great Dane or a Irish Wolfhound. But the largest dogs are the English Mastiffs, which usually always weigh above 200 pounds.

Answer by  champaign9497 (11977)

Either a gret dane or a wolfhound newfoundlands are large as well and if you live near water that would be great they are usually water rescue dogs. Do a web search on large dog breeds and it will give all of them to you so you will be able to make informed choices.