Julius Sang (September 19, 1948 – April 9, 2004) was a Kenyan runner. Along with teammates Robert Ouko, Charles Asati and Munyoro Nyamau he won the 4 x 400 relay race at the 1972 Summer Olympics for Kenya. He also took a bronze medal in the individual 400 meter race.

Olympic medal record
Men's Athletics
Gold medal – first place 1972 Munich 4x400m relay
Bronze medal – third place 1972 Munich 400 metres

He ran for North Carolina Central University, where he was part of their record-setting team at the Penn Relays. Sang was married to fellow runner Tecla Chemabwai Sang.