Samuel Dias Bandaranayake (1 December 1917 – 3 June 2014) was a Sri Lankan socialist politician and a member of parliament representing Gampaha.
[1] Born to a wealthy family, his father was Conrad Peter Dias Bandaranayake, Muhandiram of the Guard and Siyane Korale and his mother was the daughter of Mudaliyar Ekanayake from Matara, his grandfather was Conrad (Peter) Petrus Dias Wijewardena Bandaranaike, Maha Mudaliyar.
On his return he joined the newly formed Ceylon Agricultural Corps as a Commandant during World War II.
[2] After the war he entered politics, campaigning for S. W. R. D. Bandaranaike and joined his newly formed Sri Lanka Freedom Party.
The Criminal Justice Commission which was set up to prosecute insurgents found him guilty of two counts of being a member of the JVP and attending the five lectures.