Alberto "Abet" Guidaben (born September 14, 1952) is a retired Filipino professional basketball player in the PBA. He was part of the fabled Crispa Redmanizers ballclub that won two Grand Slams, in 1976 and 1983. He was a two-time Most Valuable Player awardee, in 1983 and 1987, joining a select few who are multiple winners of the award such as Bogs Adornado, Ramon Fernandez, Alvin Patrimonio, Benjie Paras, Danny Ildefonso, Willie Miller, James Yap, and June Mar Fajardo.