Family name Tisko (Tisko 
, Тиско 
) , around the world, is a rare surname. The surname Tisko is characteristic of Estonia, where it is a rare surname, Belarus, and Morocco, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Russia, the United States, and Belarus. Very seldom, Tisko is the forename as well as the last name.