The world’s current smallest living dog is a Chihuahua named Miracle Millie, who claimed the Guinness World Record when, on February 21, 2013, she was measured to be an itty-bitty 3.8 inches tall. (7/15) by Judy Powell December 31, 2020, 4:40 pm Judy Powell 0 Previous 7/15 Next View full list See more Previous article I will always woof you. Next article My mom took her eyes off of me for two seconds to take a drink of water and I decided to eat an earplug Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.