All around the world, Sleutel (Sleutel 
) is an extremely rare unknown gender first name. Predominantly, Sleutel is the last name as well as the forename.
Cor, Laura, Linda, James, Joris, Jesse, Jimmy, Tyler, Harry, Henry, Vjera, Willy, Mariah, Marion, Martha, Alyssa, Connie, Conall, Bailey, Rhelda, David, Gloria, Peter, Kitty, Ben, Marc, Mike, Paul, Doug, Jani, Jack, John, Toni, Nico, Henk, Ilse, Olga, Maria, Simon, Stacy, Scott, Arjan, Bruce, Patsy, and Louise