Mirko is a ♂ male name.
Mirko is of Slavic origin. It is a diminutive of the name Miroslav.
Mirko means “peaceful”, “glorious” or “one who celebrates peace” and “one who celebrates the world” (from Old Slavic “mirŭ” = peace/world + “slàva” = glory/fame or “slavlje” = celebration/jubilation).