Justin Matthew Walker (born 6 September 1975) is an English football coach and former professional footballer who is the joint Assistant Head coach at Hull City. As a player he was a midfielder who made more than 300 Football League appearances for six different clubs from 1997 to 2006. He notably played for Scunthorpe United and Lincoln City having come through the Nottingham Forest academy. He later played professionally for Exeter City, Cambridge United, York City and Chester City before finishing his career in Non-league football with Ilkeston Town and FC Halifax Town. He has previously had a spell as interim manager of Derby before the appointment of Wayne Rooney.