Rumesh Joseph Ratnayake,is a former Sri Lankan cricketer who played in 23 Test matches and 70 One Day Internationals from 1982 to 1993. He was an interim head coach of Sri Lanka national cricket team in 2017.

Sagala Gajendra Ratnayaka is a Sri Lankan politician who has been serving as the chief of staff to the president of Sri Lanka and National Security Advisor since 2022. He had served as the Cabinet Minister of Law and Order and Southern Development (2015-2018);Youth Affairs and Southern Development (2019-2019);Chief of Staff to the Prime Minister of Sri Lanka and Member of Parliament for Matara District.
Ratnayake Mudiyanselage Amara Piyaseeli Ratnayake is a Sri Lankan politician and was the 9th Governor of the North Western Province. She was a former member of the Parliament of Sri Lanka and a former government minister,being the Minister of Woman's affairs in the 2001-2004 United National Party government. She is a longstanding MP of the United National Party for the Wariyapola Electorate. She entered politics from Kurunegala after her husband's death.
Badulla electoral district is one of the 22 multi-member electoral districts of Sri Lanka created by the 1978 Constitution of Sri Lanka. The district is conterminous with the administrative district of Badulla in the Uva province. The district currently elects 8 of the 225 members of the Sri Lankan Parliament and had 574,814 registered electors in 2010.

Kiri Banda Ratnayake was a Sri Lankan politician,the Speaker of the Sri Lankan Parliament and later was the Governor of the Central Province of Sri Lanka.
Ratnayake,Rathnayake,Ratnayeke or Rathnayaka (රත්නායක) is a Sinhalese name originating from the words ratna (gem) and nayake (leader). Notable people with the name include:

Rasnayake Mudiyanselage Sanjeeva Bandara Kaviratne was a Sri Lankan politician who was a member of the Central Provincial Council and member of Parliament.
Victor Garvin Weerawardana Ratnayake MBE was a Sri Lankan tea planter and politician.
Sepala William Daineris Rathnayke was a Sri Lankan politician.
Mudiyanselage Chandrasena Ratnayake Beligammana was a Ceylonese politician
Malwattege Simon Andrew Peeris,OBE was a Ceylonese businessmen and politician.
Mahahitana Arachchige Daniel was a Sri Lankan politician.
Upali Batuwantudawe was a Ceylonese lawyer and politician.
Don Roy Zephrin Rajapakse was a Ceylonese politician.
Yakupitiyage Gunatilleke Jayasinghe was a Ceylonese politician. He was the member of the Parliament of Ceylon representing the Lanka Sama Samaja Party for the Bandarawela electorate.
Ratnayake Mudiyanselage Gunasekera was a Sri Lanka member of parliament in 1960,from Bibile.
Sirimevan Godage was a Ceylonese politician. He was a member of parliament in 1956 to 1962 from Anuradhapura
Ratnayake Mudiyanselage Appuhamy was a Ceylonese politician. He was the member of Parliament of Sri Lanka from Bandarawela representing the Sri Lanka Freedom Party. He was defeated in the 1977 general election.
Ratnayake Mudiyanselage Punchi Banda Kaviratne was a Sri Lankan politician. He was the Minister of Cultural Affairs and member of Parliament of Sri Lanka from Rattota representing the United National Party.