Donald Struan Robertson FBA (28 June 1885 – 5 October 1961) was a classical scholar, particularly noted for his work on Apuleius, and for 22 years the Regius Professor of Greek at the University of Cambridge.

[1] After education as a day pupil at Westminster School, he won a scholarship to Trinity College, Cambridge, and was placed in the first class of both parts of the Classical Tripos, graduating in 1908.

[1] The whole of Robertson's academic life, from undergraduate study to retirement, was spent in Cambridge at Trinity College.

During the First World War, he served as an officer in the Royal Army Service Corps, rising to the rank of major.

[5] Of his other two sisters, one, Janet, was a painter,[1] while the other, Margaret Hills, became a suffragist organiser and the first woman to sit on Stroud Urban District Council.