Calvin Douglas Jones (born September 26, 1963 in Compton, California) is a retired Major League Baseball pitcher. He played during two seasons at the major league level for the Seattle Mariners. He was drafted by the Mariners as the 1st pick in the 1st round of the 1984 amateur draft. Jones played his first professional season with their Class A (Short Season) Bellingham Mariners in 1984, and his last season with the Los Angeles Dodgers' Triple-A Albuquerque Dukes in 1996.
Jones attended the University of California, Riverside, where he played college baseball for the Highlanders from 1982–1983.