Cognomen Keyster (Keyster 
) , in all the world, is a rare last name. The cognomen Keyster is habitual in South Africa, where it is a rare surname, Belgium, and the United States, where it is a very rare surname. Much less frequently, Keyster is the forename as well as the last name.
Art, Amber, Chris, Carol, Colin, Codey, Karen, Kathy, Kaleb, Kelly, Percy, Peter, Peggy, Ralph, Robyn, David, Dawid, Donna, Garth, Linda, Louis, Lydia, Anick, Andre, Scott, Simon, Gil, Jim, Tai, Mary, Mark, Abby, Adam, Karl, Piet, Ryno, Jaime, Dean, Dave, Dyon, John, Judy, Eric, Isak, Maria, Morne, Sarah, Shawn, Deon, and Jimmy