Globally, Häckel (Häckel 
) is an extremely rare unknown gender first name. Much more prevalently, Häckel is the last name as well as the forename.
Max, Georg, Lukas, Julia, Jörg, Nancy, Edgar, Erich, Erika, Ernst, Heinz, Heike, Heiko, Horst, Frank, Franz, Felix, Ilona, Martin, Marcel, Markus, Matouš, David, Roman, Peter, Petra, Kai, Jan, Sven, Karl, Rolf, Ruth, Dirk, Lena, Lisa, Jens, Sabine, Timo, Hans, Ines, Mario, Mandy, Sonja, Andre, Claus, Bernd, Beate, Klaus, Nico, and Silvio