Family name Chechun (Chechun 
, Чечун 
) , in the world, is a rare last name. The family name Chechun is characteristic of Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kyrgyzstan. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Belarus, Ukraine, and Russia. Much less frequently, Chechun is the forename as well as the last name.