Sir Donald Burns Sangster (26 October 1911 – 11 April 1967) was a Jamaican politician and the second Prime Minister of Jamaica. He entered politics in 1933 at the age of 21 with his election to the council of the Parish of St Elizabeth, Jamaica. In 1944 he was elected to the House of Representatives of Jamaica as a member of the Jamaica Labour Party, becoming Minister of Social Welfare and Labour and, later, Minister of Finance. He became Acting Prime Minister in February 1964 when Prime Minister Sir Alexander Bustamante became ill. He succeeded Bustamante as Prime Minister on 23 February 1967 only to die in office on 11 April, after suffering a Subarachnoid haemorrhage.
His face appears on the Jamaican one hundred dollar banknote. He also has an airport in Jamaica named after him (Sir Donald Sangster International Airport (MKJS)).