| Honorific-Prefix: | Hon. |
| Nihal Abeysinghe | |
| Native Name: | |
| Honorific-Suffix: | MP |
| Office: | General Secretary of the National People's Power |
| Leader: | Anura Kumara Dissanayake |
| Term Start: | 2020 |
| Predecessor: | Lakshman Nipuna Arachchi |
| Office1: | Deputy Director of the Institute for Research & Development |
| Term Start1: | 2004 |
| 1Blankname1: | Chairman |
| 1Namedata1: | Dr. Godwin Kodituwakku |
| Office2: | Chief Epidemiologist in Sri Lanka |
| Term Start2: | 2003 |
| Term End2: | 2008 |
| Predecessor2: | Dr. T.A. Kulatilake |
| Successor2: | Dr. Paba Palihawadana |
| Constituency Mp4: | Kalutara District |
| Parliament4: | Sri Lanka |
| Majority4: | 96,721 Preferential votes |
| Term Start4: | 21 November 2024 |
| Birth Name: | Nihal Abeysinghe |
| Birth Place: | Kalutara, Dominion of Ceylon |
| Nationality: | Sri Lankan |
| Party: | National People's Power |
| Children: | Chathuranga Abeysinghe |
| Occupation: | Medical Doctor |
| Profession: | Epidemiologist |
| Known For: | Consultant in Community Medicine, World Health Organization Regional Office South East Asia |
Nihal Abeysinghe is a Sri Lankan epidemiologist, and socialist politician who is the general secretary of the ruling National People's Power (NPP).
Abeysinghe having gained his MBBS and MSc, became a consultant epidemiologist and went on to become the deputy director of the Institute for Research & Development. Following his retirement, he joined the NPP as its general secretary.[1] [2]
Abeysinghe is contesting the 2024 Sri Lankan parliamentary election as a candidate from the NPP from the Kalutara District, along with his son Chathuranga Abeysinghe is contesting from the Colombo District.[3]