In the entire world, Kepplin (Kepplin 
) is an extremely rare unknown gender first name. Much more frequently, Kepplin is the last name as well as the forename.
Ken, Willy, Martha, Marcia, Alissa, Angela, Arthur, Arlene, Amanda, Ailton, Karine, Kelvin, Robert, Dwayne, Leonor, Lilian, Teresa, Emilio, Helton, Vivian, Ondina, Michael, Ewald, Elson, Neuza, Neiva, Tim, Ney, Mara, Rosa, Duda, Lynn, John, Elio, Eneu, Enio, Michele, Sarah, Aline, Ceila, Keith, Kevin, Pedro, Ronda, Diane, Diego, Thays, Tiago, Soeli, and Solange