Cognomen Ratty (Ratty 
, แสนยานุภาพ 
) , worldwide, is quite a rare surname. The cognomen Ratty is characteristic of Isle of Man, where it is quite a rare surname, Ghana, and Ireland, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Ghana, the United States, and the United Kingdom. Likewise, Ratty is the forename as well as the last name.