Michael John "Mickey" Walker, Jr. (born 10 April 1945) is an English former professional footballer and coach.
Walker has held a number of positions at Doncaster Rovers, including Assistant Manager, Director of Football, and Caretaker Manager. A testimonial match was held on 1 August 2009 in honour of Walker; a match between Doncaster Rovers and Wolverhampton Wanderers finished 1–1. Walker had previously been an Assistant Manager at Nottingham Forest.
He was Director of Football at Doncaster from 2006 until July 2012 when he was released as part of the clubs cost cutting restructuring after relegation from the Championship