Around the world, Janze (Janze 
) is a very rare epicene forename. Much more prevalently, Janze is the last name as well as the forename.
Mr, Bernt, Karin, Peter, David, Dorit, Gerda, Grace, Leung, Linda, Jouke, Tracy, Nancy, Holly, Horst, Irene, Martin, Matija, Stefan, Annika, Chris, Sofia, Inge, Hans, Ms, Leo, Wim, Mike, Mika, Anna, Aura, Carl, Coco, Arnout, Barb, Rosy, Lara, Jane, Jana, Jack, John, Joel, Nico, Erik, Paul, and Aeneas