McEwen is a city in Humphreys County, Tennessee, United States. The population was 1,702 at the 2000 census.
U.S. Route 70
McEwen is the home of the Irish Picnic, a fundraiser for the local St. Patrick Church and School. It was established in 1854 and was recognised in 1988 by the Guinness Book of World Records as "The World's Largest Outdoor Barbecue". The event is held annually on the last Friday and Saturday in July.