Csaba Sós (born 20 April 1957) is a retired Hungarian swimmer who won a bronze medal in the 400 m medley event at the 1977 European Aquatics Championships. He competed in various swimming disciplines at the Summer Olympics of 1972, 1976 and 1980, but never reached the finals. On January 25, 2017 he was appointed to be the head coach of the swimming team of Hungary.