Surname Ptasnik (Ptasnik 
) , around the world, is a rare last name. The family name Ptasnik is habitual in Czechia, where it is a rare surname, Greece, and Poland, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Czechia, and Poland. Also, Ptasnik is the forename as well as the last name.