Gabriele Wetzko (later Hartung then Frischke then **Kühne **, born 24 August 1954 in Leipzig) is a former German swimmer. Born in Leipzig, East Germany-summer-olympics), she competed for East Germany-summer-olympics) in the 1968 and 1972 Summer Olympics. At the 1968 Olympics she competed in the 200 m, 400 m and 4 × 100 m freestyle events. The 4 × 100 m freestyle East German team of Gabriele Wetzko, Uta Schmuck, Gabriele Perthes and Roswitha Krause won a silver medal. At the 1970 European Aquatics Championships in Barcelona, she won four gold medals: in the 100 m and 200 m freestyle, as well as in the 4×100 medley and 4×100 m freestyle relays. At the 1972 Olympics she competed in the 100 m freestyle, 4×100 m medley relay and 4×100 m freestyle relay, where her team, once again, won the silver medal. In 1973, she completed her swimming career and began studying for a medical degree, later receiving a degree in economics as well. She married the swimmer Wilfried Hartung on 15 September 1973 but they divorced soon after.