Globally, Nysen (Nysen 
) is an extremely rare mostly girly, but seldom boy's forename. Much more frequently, Nysen is the last name as well as the forename.
An, Jenny, Jules, Elise, Ellen, Harry, Hilde, Famke, Marina, Marnik, Madita, Sharon, Sylvia, Alicia, Andrea, Astrid, Brenda, Debbie, Lorenz, Jerome, Walter, Martijn, Joeri, Laura, Danny, Robbe, Raf, Jan, Mark, Sara, Bart, Bram, Paul, Rita, Lisa, Lien, Michael, Luke, Tara, Nele, Erik, Misja, Mieke, Andre, Belle, Byron, Kevin, Peter, Joke, and Katrien