Cognomen Sluha (Sluha 
) , in the entire world, is a very rare last name. The surname Sluha is habitual in Czechia, where it is a rare surname, Germany, where it is a very rare surname, and Argentina, where it is an extremely rare surname. In absolute terms, this name is the most popular in Germany, Czechia, and Nigeria. Very seldom, Sluha is the forename as well as the last name.