Karleigh Anthony Jonathan Osborne (born 19 March 1988) is an English retired professional footballer who played as a central defender. A product of the Brentford youth system, he made his senior debut in 2005 and remained with the club until 2012, when he joined Millwall. He subsequently played for a number of clubs in England and Scotland and is currently head coach of Brentford Women and first team coach at Walton Casuals.