Last name Krasnay (Krasnay 
, Краснай 
) , in the world, is a rare family name. The surname Krasnay is characteristic of Slovakia, where it is quite a rare surname, Ukraine, where it is a rare surname, and Israel, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Ukraine, Slovakia, and Russia. Much less frequently, Krasnay is the forename as well as the last name.