Ana Seneviratne was born to Irwin & Irene Seneviratne (née Rodrigo) from Sapugaskanda, Heiyantuduwa in Gampaha District.
Educated at the Royal College, Colombo (1938 to 1946), he went to graduate from the University of Ceylon, Colombo (now University of Colombo), with a LLB (Hons) Degree.