Sir Robert Donald Scott (also known as Donald Scott) (13 November 1901 – 18 June 1974) was a British Conservative Party politician.
He was elected unopposed as Member of Parliament (MP) for Wansbeck in a by-election on 22 July 1940, but at the 1945 general election he lost his seat to Labour's Alf Robens, who won with a majority of over 13,000 votes.
He held office as joint Parliamentary Secretary, Ministry of Agriculture and Fisheries,from May–July 1945.
At the 1950 general election, he was returned to Parliament for the new constituency of Penrith and The Border, where he was re-elected at the 1951 election. He stood down at the 1955 general election, when he was succeeded by the future Deputy Prime Minister William Whitelaw.