Family name Ydy (Иди 
, Ydy 
) , in the entire world, is a very rare cognomen. The family name Ydy is habitual in Kyrgyzstan, where it is a very rare surname, Kazakhstan, and Colombia. Not in comparison with a country's population, this name is the most popular in China, Brazil, and Colombia. More prevalently, Ydy is the forename as well as the last name.