The 2009 Appalachian State Mountaineers football team represented Appalachian State University in the college football season of 2009–2010. It was the 80th season of play for the Mountaineers. The team was led by Jerry Moore, the 2006 Eddie Robinson Award winner for Coach of the Year. Moore is in his 21st season as head coach. The Mountaineers played their home games at Kidd Brewer Stadium in Boone, North Carolina.