|Olympic medal record|
|Men's field hockey|
|Representing United Kingdom|
|1952 Helsinki||Team competition|
Sir Derek Malcolm Day KCMG (29 November 1927 – 7 March 2015) was a British diplomat and field hockey player who competed in the 1952 Summer Olympics. He was educated at Hurstpierpoint College and St Catharine's College, Cambridge.
Day joined the Foreign and Commonwealth Office in 1951 and went on to serve as UK Ambassador to Ethiopia from 1975–78, and UK High Commissioner to Canada from 1984-87. He was made KCMG in 1984, having been made CMG in 1973.
- "Day - Derek Malcolm KCMG". telegraph.co.uk. Retrieved 12 March 2015.
- ‘DAY, Sir Derek (Malcolm)’, Who's Who 2014, A & C Black, an imprint of Bloomsbury Publishing plc, 2014
- "OUR HOCKEY CORRESPONDENT. "Hockey." Times [London, England] 27 May 1952". The Times Digital Archive.
|UK Ambassador to Ethiopia
|UK High Commissioner to Canada
Sir Alan Urwick
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