The heaviest dog ever was a Saint Bernard (named Benedictine) weighed in at an astonishing 167kg, stood  at the shoulder and was  from the tip of his nose to the tip of his tail and currently holds the record as the heaviest dog of all time.
Benedictine, a massive Saint Bernard, is renowned for being the heaviest dog ever recorded, weighing 167kg and measuring from its nose to tail tip. This incredible animal has been officially recognized as the largest dog in recorded history.