RCAF Station Oshawa was a training station of the British Commonwealth Air Training Plan (BCATP) during World War II located near Oshawa, Ontario, Canada.

20 Elementary Flying Training School (EFTS) was located in Oshawa from June 1941 to December 1944.

Student flyers used Tiger Moth aircraft and were trained by civilian instructors from the Oshawa, Kingston, and Brant-Norfolk flying clubs.

A relief landing field was located at Whitby (at Hopkins Street and Gerdau Court now an industrial site).

[1] The military left in 1944 but as federal owned until sale to then Town of Oshawa in 1947.