John Leroy "Jack" McEwen (June 19, 1928 – March 25, 2010) was a former member of the Wisconsin State Assembly.
McEwen was born on June 19, 1928, in Wausau, Wisconsin.
During World War II and the Korean War, McEwen served in the United States Navy.
He had defeated incumbent Raymond Omernick in the Republican primary.
[3] In 1990, McEwen was a candidate for the United States House of Representatives from Wisconsin's 7th congressional district.