James Walter "Jock" Robertson (21 February 1898 – 29 December 1970[1]) was an English association footballer who played professionally for Gillingham.

He joined the club while it was still playing non-league football and went on to set a club record for the most matches played in the Football League, making over 350 appearances.

Upon his demobilisation from the Army in November 1919 he signed for professional club Gillingham,[1] at the time playing in the Southern League, but had to wait until the following April to make his debut for the team, which came in an away match against Southend United.

[3] Over the next thirteen seasons he made over 350 Football League appearances, a club record which stood for over 30 years.

[1][4] At the end of the 1932–33 season he left Priestfield Stadium to join non-league club Canterbury Waverley.