Globally, Lossau (Lossau 
) is an extremely rare male forename. Much more frequently, Lossau is the last name as well as the forename.
Mr, Simon, Scott, Bernd, Karin, Karen, Klaus, Patti, Peter, Guido, Irma, Jonas, Erika, Heinz, Heike, Heiko, Horst, Fritz, Wayne, Wendy, Markus, Tiago, Ingo, Fred, Vera, Ms, Ann, Can, Udo, Mary, Mike, Paul, Raik, Ralf, Rolf, Rita, Ruth, Dawn, Dirk, Luke, Jana, Joan, Jean, Jeff, Tina, Nina, Sandra, and Steven