(March 8, 1893 – July 11, 1960) was an American football coach.
He served as the head football coach at Hillsdale College in Hillsdale, Michigan for one season, in 1922, compiling a record of 3–5.
Ost was also the head basketball coach at Hillsdale for one season, in 1922–23, tallying a mark of 7–13.
Ost married Blossom Stewart on December 15, 1922 in Hillsdale.