Brenton C. Adcock is a former Australian rules footballer who represented Sturt in the South Australian National Football League (SANFL) during the 1960s and 1970s. Nuggety and rugged, Adcock earned a reputation as a dashing and reliable defender who was a key member of Sturt's five consecutive premiership wins from 1966 to 1970. His last SANFL game for Sturt was their 1974 Grand Final win to finish his career with six premierships.