Donald Troup

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| name = Donald Troup

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| full_name = Donald Scott Troup

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| university = University of Oxford

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| position = Forward

| repyears1 = 1927

| repteam1 = {{nrut|British Lions}}

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Donald Scott Troup (1907 – 1973) was a Scottish international rugby union player.

Troup was the son of forestry expert Robert Scott Troup. He attended Uppingham School and Dragon School, followed by the University of Oxford, where he was a rugby blue.{{cite web |title=#251 Donald Troup |url=https://www.lionsrugby.com/player/?PlayGuid=DT588639 |website=British & Irish Lions}}

A forward, Troup attended trials for Scotland and represented the British Lions on their 1927 tour to Argentina, playing in four fixtures including two of the matches against the Pumas.{{cite news |title=Oxford's All-Scottish Three-Quarter Line |url=https://www.britishnewspaperarchive.co.uk/viewer/bl/0000452/19281206/080/0002 |work=Edinburgh Evening News |date=6 December 1928}}

Troup was a colonial administrator in Tanganyika.{{cite book |last1=Furse |first1=Ralph Dolignon |title=Aucuparius; Recollections of a Recruiting Officer |date=1962 |publisher=Oxford University Press}}