John McKnight (1932 – 9 July 2017) was a Gaelic footballer whose league and championship career at senior level with the Armagh county team lasted seven seasons from 1953 to 1959.
[citation needed] After graduating in law in 1956, McKnight moved to Ballyshannon where he played Gaelic football with the Aodh Ruadh club.
[citation needed] McKnight made his debut on the inter-county scene when he was selected for the Armagh minor team.
McKnight subsequently joined the Armagh junior team, winning an Ulster medal in 1951, before making his senior debut during the 1953 championship.
[citation needed] In retirement, McKnight was named in his customary left corner-back position in a Football Team of the Century composed of non-All-Ireland winners in 1984.