John Keith Ewers (13 June 1904 – 9 March 1978) was a novelist, poet, schoolteacher and short story writer from Western Australia.

[4] Ewers was educated at James Street Intermediate and Perth Modern schools, and at Claremont Teachers College.

[7] He campaigned to preserve "Tom Collins" House (the home of Joseph Furphy, author of Such is Life), in the Perth suburb of Swanbourne.

He also co-authored, with Deirdre Ellis Weston, the grammar textbooks that were used widely throughout Western Australian schools during the 1950s to 1970s.

In June 1936 Ewers married school teacher and University of Western Australia scientist Jean Grant McIntyre.