Globally, Klüger (Klüger , קליגר ) is an extremely rare unknown gender first name. Much more prevalently, Klüger is the last name as well as the forename.
Klieger, Kliger, Klueger, Kluger, Клигер, Клигерман, Клугер, and קלוגר
Jan, Larissa, Richard, Rebecca, Andreas, Michael, Helmut, Andrea, Sergej, Sandra, Michel, Heinz, Helga, Julia, Lukas, Dione, Romeo, Hugo, Dana, Ruth, Rene, Rolf, Paul, Sven, Mode, Maik, Reinhard, and Sebastian
, קליגר 
) is an extremely rare unknown gender first name. Much more prevalently, Klüger is the last name as well as the forename.