| Honorific-Prefix: | Yang Berhormat Senator Dato' |
| Kesavadas Achyuthan Nair | |
| Monarch2: | Abdullah |
| Primeminister2: | Mahathir Mohamad Muhyiddin Yassin Ismail Sabri Yaakob |
| Term Start2: | 20 March 2019 |
| Term End2: | 19 March 2022 |
| Predecessor2: | Chong Sin Woon |
| Successor2: | Himself |
| Birth Name: | Kesavadas a/l A. Achyuthan Nair |
| Birth Date: | 11 June 1959 |
| Birth Place: | Klang, Selangor, Federation of Malaya |
| Party: | Democratic Action Party (DAP) |
| Otherparty: | Pakatan Harapan (PH) |
| Occupation: | Politician |
| Office3: | State Vice Chairman of the Democratic Action Party of Negeri Sembilan |
| Term Start3: | 2021 |
| Term End3: | 29 September 2024 |
| Alongside3: | Teo Kok Seong |
| Successor3: | Arul Kumar Jambunathan |
| 1Blankname3: | Secretary-General |
| 1Namedata3: | Lim Guan Eng Anthony Loke Siew Fook |
| 2Blankname3: | State chairman |
| 2Namedata3: | Anthony Loke Siew Fook |
| Office1: | Senator |
| Monarch1: | Abdullah Ibrahim |
| Primeminister1: | Ismail Sabri Yaakob Anwar Ibrahim |
| Predecessor1: | Himself |
| Alongside2: | Ahmad Azam Hamzah |
| Alongside1: | Ahmad Azam Hamzah |
| Termstart1: | 25 April 2022 |
Dato' Kesavadas s/o A. Achyuthan Nair[1] is a Malaysian politician who has served as a Senator representing Negeri Sembilan from May 2019 to May 2022 and again since April 2022. He is a member of the Democratic Action Party (DAP), a component party of the Pakatan Harapan (PH) coalition.
At the party level, Kesavadas was a state vice chairman of DAP of the Negeri Sembilan alongside with Teo Kok Seong from 2021 until 2024.[2]
On 20 March 2019, Kesavadas was elected to the Parliament as the senator representing Negeri Sembilan for the first term after being nominated and approved by the Negeri Sembilan State Legislative Assembly.[3] On 19 March 2022, his first 3-year term ended. On 25 April 2022, he was reelected as the senator for the second term after being renominated and reapproved by the assembly.
Kesavadas also discussed the establishment of a Royal Commission of Inquiry regarding the cartel of non-halal imported meat that was detected in 2020 and the government has agreed to set up the commission.[4]