Don Alwin Rajapaksa (Sinhala: ???? ??????? ???????; Tamil: ??.?.
???????) (5 November 1906 – 7 November 1967; commonly known as D.
A.
Rajapaksa) was a Sri Lankan politician and Member of Parliament who represented the Beliatta electorate in Hambantota district from 1947 to 1965.
A founding member of Sri Lanka Freedom Party and Cabinet Minister of Agriculture and Land in Wijeyananda Dahanayake's government, he was the father of two Sri Lankan Presidents; Mahinda Rajapaksa and Gotabhaya Rajapaksa.