Ranging from a giant dog that so big it sleeps in its very own queen sized bed…. to another guard dog that's so large it needs to eat supplements and over four pounds of meat a day.
Some of these canines are so massive they sometimes get mistaken for a horse!
Feast your eyes on the 5 biggest dogs in the world and we promise you'll be blown away.
Check out the 5 biggest dogs in the world on the next page!