I found this and thought you might wanna see 
Danka Kordak, a chihuahua bitch owned by Revuca, Slovakia resident Igor Kvetko is the smallest dog in the world, Kvetko said, producing the Guiness Book of Records certificate comfirming Danka's prestigious status. Danka is 19 centimetres long, only 13 centimetres tall and weighs 780 grammes.


That makes her about 1.7 pounds
I'm sure there must be dogs smaller than her but she's very cute!
Danka Kordak, a chihuahua bitch owned by Revuca, Slovakia resident Igor Kvetko is the smallest dog in the world, Kvetko said, producing the Guiness Book of Records certificate comfirming Danka's prestigious status. Danka is 19 centimetres long, only 13 centimetres tall and weighs 780 grammes.


That makes her about 1.7 pounds
I'm sure there must be dogs smaller than her but she's very cute!