Robert Preston Bruce

Robert Preston Bruce (4 December 1851 – 8 December 1893) was a British Liberal Party politician.

Bruce was the second son of James Bruce, 8th Earl of Elgin and his wife Lady Mary Louisa Lambton. He was educated at Eton College and Balliol College, Oxford. He was a captain in the Fifeshire Artillery Militia from 1877 to 1881 and was a J.P. and Deputy Lieutenant for Fifeshire.

Bruce was elected at the 1880 general election as the Member of Parliament (MP) for Fife. When the seat was divided under the Redistribution of Seats Act 1885 he stood and was elected unopposed for the new Western division of Fife. He was re-elected unopposed in 1886, and resigned his seat on 21 June 1889 by becoming Steward of the Manor of Northstead.