Last name Smalz (Smalec 
, Smalz 
, Смалець 
) , all around the world, is a rare surname. The last name Smalz is characteristic of Poland, where it is a rare surname, Ukraine, and Australia, where it is a very rare surname. In absolute terms, it most frequently occurs in Poland, the United States, and Ukraine. More prevalently, Smalz is the forename as well as the last name.