Surname Гришка (Grichka 
, Grishka 
, Гришка 
) , globally, is a very rare family name. The last name Гришка is characteristic of Lithuania, where it is a rare surname, Ukraine, where it is a very rare surname, and Nicaragua. In absolute terms, it is the most numerous in Lithuania, Ukraine, and Russia. Also, Гришка is the forename as well as the last name.