Edeltraud Koch (also Edeltraut; born 13 September 1954) is a retired German swimmer.
She won a bronze medal at the 1970 European Aquatics Championships in the 100 m butterfly, and a bronze medal at the 1972 Summer Olympics in the 4 × 100 m medley relay.
In the relay, West Germany used different swimmers in the preliminaries and in the final; Koch swam in the preliminaries.