Beate Jasch (born 16 January 1959) is a retired German swimmer who won a silver medal at the 1974 European Aquatics Championships. She competed at the 1976 Summer Olympics in the 100 m and 200 m butterfly and 100 m and 4 × 100 m freestyle events and finished eighth in the relay. During her career she won four national titles in the 100 m (1976) and 200 m (1976, 1977) butterfly and 200 medley (1976).