| Honorific-Prefix: | Honourable |
| Vinthan Kanagaratnam | |
| Native Name: | விந்தன் கனகரத்தினம் |
| Native Name Lang: | ta |
| Honorific-Suffix: | MPC MMC |
| Office1: | Member of the Northern Provincial Council for Jaffna District |
| Term Start1: | 11 October 2013 |
| Office2: | Member of Jaffna Municipal Council |
| Term Start2: | 2009 |
| Term End2: | 2013 |
| Party: | Tamil Eelam Liberation Organization |
| Otherparty: | Tamil National Alliance |
| Blank1: | Ethnicity |
| Data1: | Sri Lankan Tamil |
Karthikesu Nadarasa Kanagaratnam (commonly known as Vinthan Kanagaratnam) is a Sri Lankan Tamil politician and provincial councillor.
Kanagaratnam is treasurer of the Tamil Eelam Liberation Organization.[1] He contested the 2009 local government election as one of the Tamil National Alliance's candidates and was elected to the Jaffna Municipal Council.[2] He contested the 2013 provincial council election as one of the TNA's candidates in Jaffna District and was elected to the Northern Provincial Council.[3] [4] After the election he was appointed to assist the Minister of Fisheries, Transport, Trade and Rural Development on trade and commerce.[5] He took his oath as provincial councillor in front of Chief Minister C. V. Vigneswaran at Veerasingam Hall on 11 October 2013.[6] [7]