Colonel Sir Hugh Richard Deare Oldman KBE, MC (24 June 1914 – 26 November 1988) was a British Army officer who later served as Secretary for Defence of the Sultanate of Oman.

He was one of the major participants in the coup d'état in July 1970 that brought Sultan Qaboos to the throne of Oman.

[2] Oldman joined the East Yorkshire Regiment and, as a captain, won the Military Cross in North Africa in 1942.

[6] Oldman successfully urged Sultan Said bin Taimur to expand the armed services, with assistance from the United Kingdom, in response to insurgent activities.

[8] In the weeks immediately after the coup, Oldman headed the Advisory Council that oversaw government functions.