Leo W. "Jack" Fleming Jr. (February 3, 1923 – January 3, 2001) was an American sports announcer for the National Football League's Pittsburgh Steelers and the National Basketball Association's Chicago Bulls in professional sports, and also the West Virginia Mountaineers football and basketball teams.
He flew 23 combat missions and began his radio career while recuperating at Ashford Military Hospital.
Jack Fleming, also known as the "Voice of the Mountaineers", served as the school's football and basketball announcer during the periods 1947–1959, 1962–1969, and 1974–1996.
Some of Fleming's more memorable calls include calls on Rod Thorn, Major Harris, Jeff Hostetler, Will Drewery, the infamous "Flutie Sack" in 1984, Pat Randolph, Robert Walker's game-winning touchdown run against Miami in 1993, Ed Hill's game-winning touchdown catch against Boston College in 1993, and Amos Zereoué.
In 1995, he was inducted into West Virginia University's Order of Vandalia, for outstanding service to the state and school.