Globally, Jamsen (Jamsen 
) is a very rare largely male, but uncommonly feminine first name. The first name Jamsen is habitual in Pakistan, where it is a very rare boy's name, India, where it is an extremely rare epicene name, and China, where it is an extremely rare boy's name. More frequently, Jamsen is the last name as well as the forename.
Mr, Linda, Janne, Jarah, Helen, Audrey, Pacita, Loreta, Jasmin, Mathias, Charles, Kirsten, Richard, Gabriel, Joesman, Jedidia, Neville, Jonathan, David, Pekka, Kelly, Bobby, Ms, Sam, Lia, Jim, Alex, Ajab, Kris, Doug, Nicolaus, Gale, Jane, Joan, Nina, Vera, Igor, Iara, Maria, Alice, Lisa, and Frederick