David Clive Allan Walker (born 24 October 1945) is an English-born former professional association footballer who played as a full back in the 1960s and 1970s. His clubs included Leicester City (for whom he played in the second leg of the 1965 Football League Cup Final), Northampton Town and Mansfield Town. On two occasions Walker managed Northampton Town and was manager (having been upgraded from assistant) of Maidstone United in their final season as a Football League club in 1992 before their financial liquidation.