Air Commodore John Mortimer Warfield (September 26, 1912 - 1970) CBE RAF was a bomber pilot during the Second World War, a senior RAF staff officer and commander during the Malayan Emergency in the 1950s and, as an air commodore in his final tour, the ninth Commandant of the Royal Observer Corps.

The following year he was posted overseas to RAF Kalafrana seaplane base on Malta where he was promoted to squadron leader.

In April 1943 Warfield was promoted to temporary rank of group captain and served as the station commander of RAF Wattisham, where he remained until near the end of the war, when he was reverted to the rank of wing commander briefly.

When the war finished, he was serving as Senior Officer Administration at Headquarters No 12 Group RAF.

[1] On 29 June 1959 Warfield took over as Commandant Royal Observer Corps from Air Commodore J. H. T.