Family name Грыцай (Grycaj 
, Grytsay 
, Грыцай 
) , in the entire world, is a rare surname. The surname Грыцай is characteristic of Lithuania, where it is a rare surname, Poland, and Czechia. In absolute terms, it is commonest in Eastern Europe, particularly Poland, Russia, and Czechia. Likewise, Грыцай is the forename as well as the last name.