William Mercer (8 November 1874 – 9 September 1932) was a Scottish footballer who played as an outside left in the Scottish League for Cowdenbeath and Hibernian. He also played in the Football League for Glossop. After his retirement as a player, Mercer served Cowdenbeath as trainer and was secretary of junior club Vulcan Rovers.
Personal life
Mercer worked as a miner and died after coming off his shift at Donibristle Colliery in 1932.