Britta Dahm (born 21 September 1968) is a retired German breaststroke swimmer who won a bronze medal in the 4 × 100 m medley relay at the 1987 European Aquatics Championships. She also competed in the 100 m and 200 m breaststroke and 4 × 100 m medley relay events at the 1988 Summer Olympics, and her team finished seventh in the relay.