1. Sumanadasa Abeywickrama was a Sri Lankan politician and a Member of the Parliament of Sri Lanka.

1. Sumanadasa Abeywickrama was a Sri Lankan politician and a Member of the Parliament of Sri Lanka.
Sumanadasa Abeywickrama married Enid Dias Nagahawatta, former principal of the School of Nursing, Galle.
Sumanadasa Abeywickrama joined the United National Party and was elected as a Member of Parliament for the Akmeemana Electoral District at the 8th Sri Lankan Parliamentary Election in 1977.
Sumanadasa Abeywickrama served as the Deputy Minister of Agriculture Development and Research in the Jayewardene cabinet.
Sumanadasa Abeywickrama contributed immensely to the development of the Galle District, particularly in his electorate.
Sumanadasa Abeywickrama resigned from his seat in Parliament on 10 February 1983, along with 17 other members of the United National Party.
Sumanadasa Abeywickrama subsequently contested the parliamentary by-election for the seat but lost to the Sri Lanka Freedom Party candidate, Richard Pathirana, by 2,778 votes.
Sumanadasa Abeywickrama was the cousin of Keerthisena Abeywickrama, District Minister for Matara and Member of Parliament for Deniyaya.
Sumanadasa Abeywickrama was the cousin of Keerthilatha Abeywickrama, Member of Parliament for Deniyaya and nephew of Padikara Muhandiram Don Pedris Francis Abeywickrama.
Sumanadasa Abeywickrama died on 27 February 2006 and was buried on the family's Gurubeula Estate in Morawaka.