Last name Kudys (Kudys 
, Кудис 
) , across the world, is a very rare surname. The surname Kudys is characteristic of Lithuania, where it is a rare surname, Belarus, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Russia, Lithuania, and Belarus. Also, Kudys is the forename as well as the last name.