John Walker (born 12 December 1973) is a Scottish former professional footballer, who played as a midfielder. He notably played for Clydebank and Mansfield Town in a career that lasted between 1990 and 2004. Walker started his professional career with Rangers but in three years at Ibrox he only managed three first team appearances. In 1993, he transferred to Clydebank. He then made a move to England in 1995, signing with Grimsby Town. He was brought Blundell Park by Brian Laws as the club's highest paid player; after three years he then joined Mansfield Town following a loan spell at the club.