Ottmar Ostermayr (24 October 1886 – 15 December 1958) was a German film producer.
From 1911 until 1914 he worked for Vienna subsidiary of the French company Eclair.
In the 1920s he set up a production company with the film pioneer Oskar Messter.
[1] He was later employed at the Munich-based Bavaria Film which had been set up by his brother Peter.
This biographical article related to film in Germany is a stub.