Surname Mysko (Mysko 
, Миско 
, Мыско ) , in the entire world, is quite a rare cognomen. The surname Mysko is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Canada. Measured by absolute frequency, the name is most common in Russia, Belarus, and the United States. Very seldom, Mysko is the forename as well as the last name.