Worldwide, Duiser (Duiser 
) is an extremely rare unknown gender forename. Much more frequently, Duiser is the last name as well as the forename.
Tom, Marvin, Sheila, Steven, Alison, André, Amanda, Ashley, Brenda, Jeroen, Thomas, Nicole, Waneta, Mckenna, Barbara, Timothy, Heather, Corstiaan, Martin, Wayne, James, Larry, Sara, Sean, Aart, Beth, Kyle, Jaap, Joke, Sanny, Patricia, Siera, Sjaak, Agnes, Betty, Brett, Bruce, Kathy, Kevin, Derek, Steve, and Francisca