Renate Ostermann (14 June 1937 – 26 December 2015) was a German tennis player.

Ostermann, who came from Krefeld, twice made the round of 16 in singles at Wimbledon.

[1] In 1963 she featured in West Germany's first ever Federation Cup tie, partnering Edda Buding in the doubles rubber, which they lost to France's Françoise Dürr and Janine Lieffrig.

[2]