Louis Ost

Louis Ost Jr. (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. He died in 1960.