Sir John Ernest Buttery Hotson, KCSI, OBE, VD (17 March 1877 – 13 May 1944) was an administrator in India during the British Raj. Born in Glasgow to Hamilton and Margaret (Maggie) Hotson, he was educated at Edinburgh Academy (1889–1895) and Magdalen College, Oxford, graduating BA in 1899, and MA (1905). He immediately joined the Indian Civil Service, being appointed Superintendent of Managed Estates in Kathiawar. His entire career was devoted to the administration of the province known as the Bombay Presidency. Subsequent positions included Under-Secretary to the Government of Bombay (Political and Judicial Departments), 1907; Collector, 1920; Secretary of the Political Department, 1922; Chief Secretary to the Government, 1924; Member of the Executive Council (MEC) of Bombay, 1926–31; and rising to become Home Member and Acting Governor of Bombay, 1931. He was appointed OBE on 3 June 1918, Companion of the Most Exalted Order of the Star of India (CSI) in the New Year Honours, 1926, and elevated to Knight Commander (KCSI) in 1930.
Hotson served in the Indian Army Reserve of Officers, 1915 to 1920, in Baluchistan and Persia, attaining the rank of Lieutenant-Colonel. Hotson was a dedicated naturalist who "collected plants in Persian Baluchistan and Makran coast, 1916-18, which were sent to Father Blatter in Bombay". His collections of mammal specimens from the same region during this period was described by the noted British zoologist Oldfield Thomas, FRS, who noted: