Salvador Romualdo del Rosario (born October 24, 1944), nicknamed, The Mighty Mite, is a Filipino weightlifter who competed at the 1968, 1972 and 1976 Summer Olympics with a best finish of ninth in 1972 and 1976.
Del Rosario represented the Philippines at the 1970 World Weightlifting Championships in Ohio. He was awarded a gold medal after athletes who made heavier lifts were disqualified for doping.