Worldwide, Gietman (Gietman 
) is an extremely rare unknown gender forename. Much more frequently, Gietman is the last name as well as the forename.
Cor, Anton, Kevin, Peter, Jacob, Harry, Wendy, Martin, Connie, Corné, Boukje, Daniel, Dollie, Gerald, Laryna, Joseph, Josune, Judith, Thomas, Nicole, Walter, Marlene, Marga, Matison, Yuri, Fred, Liz, Jan, J G, Mary, Mark, Anne, Bram, Kate, Rene, Ryan, Drew, Gigi, Lori, Luke, John, Joan, Jeff, Tijs, Erik, Erin, Henk, Fons, and Michiel