Worldwide, Kästel (Kästel 
) is an extremely rare unknown gender given name. Predominantly, Kästel is the last name as well as the forename.
Max, Marion, Marcel, Monika, Sandra, Sabine, Sascha, Sigrun, Stefan, Andrea, Anders, Rainer, Robert, Roland, Rudolf, Daniel, Dieter, Julian, Thomas, Tobias, Helena, Helmut, Franz, Frank, Horst, Heike, Sven, Arne, Karl, Kurt, Dirk, Gerd, Joel, Iris, Maria, Marco, Volker, Arvid, Klaus, Peter, Ralph, Roman, René, David, Georg, Josef, Jenny, Julia, Bernd, and Walter