Family name Luzny (Luzny 
) , across the world, is a rare cognomen. The family name Luzny is habitual in Eastern Europe, particularly Czechia, where it is quite a rare surname, Slovakia, where it is a rare surname, and Poland. In absolute terms, the name is most common in Poland, Czechia, and Canada. Likewise, Luzny is the forename as well as the last name.