Cognomen Bycha (Bycha 
, Бича 
, Быша 
) , in the world, is a rare last name. The surname Bycha is habitual in Belarus, where it is a rare surname, Ukraine, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Belarus, Ukraine, and Russia. More prevalently, Bycha is the forename as well as the last name.