| Honorific-Prefix: | Hon. |
| Kumarasiri Rathnayake | |
| Native Name: | Sinhala; Sinhalese: කුමාරසිරි රත්නායක குமாரசிறி ரத்நாயக்க |
| Office1: | Member of the Parliament of Sri Lanka |
| Constituency1: | Monaragala District |
| Term Start1: | 2020 |
| Office2: | Member of the Uva Provincial Council |
| Constituency2: | Monaragala District |
| Term Start2: | 2004 |
| Term End2: | 2019 |
| Birth Date: | 15 January 1967 |
| Party: | Sri Lanka Podujana Peramuna |
| Otherparty: | Sri Lanka People's Freedom Alliance |
| Alma Mater: | University of Ruhuna |
| Occupation: | Teacher |
Rathnayake Mudiyanselage Kumarasiri Rathnayake (born 15 January 1967) is a Sri Lankan teacher, politician, former provincial minister and Member of Parliament.[1]
Rathnayake was born on 15 January 1967.[1] He has a BSc degree from the University of Ruhuna.[2] He is a teacher.[2]
Rathnayake was a member of Monaragala Divisional Council and Uva Provincial Council where he held a provincial ministerial portfolio for two terms.[2] He contested the 2020 parliamentary election as a Sri Lanka People's Freedom Alliance electoral alliance candidate in Monaragala District and was elected to the Parliament of Sri Lanka.[3] [4] [5]
| Constituency | scope=col colspan="2" | Party | scope=col colspan="2" | Alliance | scope=col | Votes | scope=col | Result |
|---|---|---|---|---|---|---|---|---|
| 2004 provincial[6] | Elected | |||||||
| 2009 provincial[7] | Elected | |||||||
| 2014 provincial[8] | Elected | |||||||
| Elected |