Graner may refer to: Charles Graner - U.S. Army reservist involved in the Abu Ghraib prisoner abuse scandal. Jim Graner - Cleveland sportscaster. Cláudia Graner - female Brazilian water polo player. Sheri Graner Ray - computer game designer. Cellular Potts model (also known as the Glazier and Graner model) - a lattice-based computational modeling method to simulate the collective behavior of cellular structures.