Surname Smacha (Smacha 
) , in the world, is a very rare family name. The family name Smacha is habitual in Poland, where it is a rare surname, Israel, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Poland, Israel, and the United States. Likewise, Smacha is the forename as well as the last name.