Dagmar Neubauer (née Rübsam; born 3 June 1962 in Suhl) is a retired German sprinter who specialized in the 400 metres.

At the 1983 World Championships she finished seventh in the individual event and won another gold medal in the relay, with teammates Kerstin Walther, Sabine Busch and Marita Koch.

At the 1987 World Championships Neubauer did not reach the final in the individual event, but instead won another gold medal in the relay, with teammates Emmelmann, Petra Schersing and Busch.

This places her sixth on the German all-time list, behind Marita Koch, Sabine Busch, Petra Müller, Grit Breuer and Bärbel Wöckel.

[1] Neubauer represented the sports club SC Turbine Erfurt and was coached by Eberhard König.