Jarrett Brown (born in West Palm Beach, Florida) is an American football quarterback for the San Francisco 49ers of the National Football League. He was signed by the 49ers as an undrafted free agent in 2010. He played college football at West Virginia (West Virginia Mountaineers).

Brown was a single season starting quarterback for the West Virginia Mountaineers (West Virginia Mountaineers football) at West Virginia University. The 2009 season (2009 West Virginia Mountaineers football team) was Browns only campaign as the starter, his first three seasons were spent backing up standout Pat White (Pat White (American football)).