Vice Admiral John Allan CMM CD (31 March 1928 – 1 May 2014) was a Canadian Forces officer who served as Commander of Maritime Command from 1 July 1979 to 6 August 1980.

Allan joined the Royal Canadian Navy (RCN) as an Ordinary Seaman in 1946.

The next year, he re-enrolled as an Officer Cadet and was commissioned as an acting sub-lieutenant in 1954.

[1] He became commanding officer of the destroyer escort HMCS Qu'Appelle in 1968, project manager of the DDH 280 Program at National Defence Headquarters in 1970 and Commander First Canadian Destroyer Squadron in 1973.

He went on to be Chief of Staff (Sea) in 1974, Director General Maritime Engineering and Maintenance in 1975 and Associate Assistant Deputy Minister Materiel in 1977.