Sir Oscar Charles Morland GBE (23 March 1904 - 20 May 1980) was a British diplomat. He was the British Ambassador in Japan and Indonesia.

Oscar Charles Morland was son of Harold John Morland (28 Jul 1869 - 09 Oct 1939).

He married Alice on 1932, daughter of Sir Francis Oswald Lindley, PC, GCMG (12 Jun 1872 - 17 Aug 1950). The union produced four sons.

He was educated at Leighton Park School and at King's College, Cambridge.

• Joined HM Consular Service, 1927.
• Served in Japan, Manchuria, London. Under Sec., Cabinet Office,
• 1950–1953; Ambassador to Indonesia,
• 1953–1956; Asst Under-Sec., FO,
• 1956–1959. Mem., Leeds Regional Hosp. Bd,
• 1959–1963. Ambassador to Japan^[1]
• 1965–1974 (Chm. Mental Health and Geriatrics Cttee, 1972–74)

• List of Ambassadors from the United Kingdom to Indonesia
• List of Ambassadors from the United Kingdom to Japan
• Anglo-Japanese relations

• Hoare, James. (1999). Embassies in the East: the Story of the British Embassies in Japan, China, and Korea from 1859 to the Present. Richmond, Surrey: Curzon Press. ISBN 9780700705122; OCLC 42645589
• Nish, Ian. (2004). British Envoys in Japan 1859-1972. Folkestone, Kent: Global Oriental. ISBN 9781901903515; OCLC 249167170

• UK in Japan, Chronology of Heads of Mission