Cleo "Cleonardo" Lemon, Jr. (born August 16, 1979 in Greenwood, Mississippi) is a Canadian football quarterback in the Canadian Football League who is currently a free agent. He most recently played for the Toronto Argonauts. He was signed by the Baltimore Ravens as an undrafted free agent in 2002. He played college football at Arkansas State. Lemon has also been a member of the San Diego Chargers, Miami Dolphins, Jacksonville Jaguars, Baltimore Ravens, and Toronto Argonauts.