Surname Besko (Besko 
, Бесько 
) , all over the world, is a rare last name. The cognomen Besko is characteristic of Belarus, where it is quite a rare surname, Slovakia, where it is a rare surname, and North Macedonia. Measured by absolute frequency, it is the most numerous in Belarus, Egypt, and the United States. Very seldom, Besko is the forename as well as the last name.