William Gopallawa, MBE (Sinhala: ??????? ???????, Tamil: ????????? ??????????) (17 September 1896 – 31 January 1981) was the last Governor-General of Ceylon from 1962 to 1972 and became the first and only Non-Executive President of Sri Lanka when Ceylon declared itself a republic in 1972 and changed its name to Sri Lanka.
Until 1972, Ceylon was a Commonwealth realm with Queen Elizabeth II as the head of state and Queen of Ceylon.
He served as Governor-General during the tenure of different governments headed by Sirimavo Bandaranaike of the SLFP and Dudley Senanayake of the UNP.