Family name Alesko (Алесько 
, Alesko 
) , in the entire world, is a rare surname. The cognomen Alesko is characteristic of Estonia, where it is a rare surname, Belarus, and Finland, where it is a very rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Belarus, Russia, and Ukraine. Much less frequently, Alesko is the forename as well as the last name.