Dogs are probably one of the smartest creatures in the world. Sometimes, they surprise us with acts that we never imagined they could do. They are gifted with a few aspects like their ability to smell, sense, and well, make you laugh. We have brought you a list of the top 20 Smartest Dog Breeds in the world, not necessarily in order. These attributes combined with cross-breeding and a little training have resulted in further development of their brains which has helped humans in numerous ways as we are taking the help of our furry friends in a lot of ways.