| Honorific Prefix: | Rear Admiral |
| K. R. Nair | |
| Honorific Suffix: | PVSM |
| Birth Date: | 1915 |
| Death Date: | 2007 |
| Nickname: | Jerry[1] |
| Allegiance: |  India |
| Branch: | Indian Navy |
| Serviceyears: | 1942–1971 |
| Rank: | Rear Admiral |
| Commands: | Eastern Naval Command Flag Officer, East Coast INS Venduruthy INS Valsura 22nd Destroyer Squadron INS Rana |
| Battles: | World War II |
Rear Admiral Kesavapillai Ramakrishnan "Jerry" Nair PVSM (1915–2007) was a former Flag officer in the Indian Navy who served as the first Flag Officer Commanding-in-Chief Eastern Naval Command.
Nair was commissioned in the Royal Indian Naval Volunteer Reserve (RINVR) in 1942,[2] and was promoted temporary acting lieutenant on 8 April 1943.[3] In 1944, he attended a specialist anti-submarine course in the United Kingdom.[2] On 21 January 1945, he was posted to HMIS Machlimar at Bombay, whose executive officer was Lieutenant-Commander Ram Dass Katari.[4]
Nair was promoted to acting commander (paid) on 31 December 1949 and to substantive commander on 30 June 1951.[5] [6] On 3 January 1955, he was appointed CO, INS Venduruthy at Cochin with the acting rank of captain,[7] receiving promotion to the substantive rank on 31 December 1955.[8] He held several important commands, including CO of INS Rana, captain of the 22nd Destroyer Squadron and INS Valsura at Jamnagar.[2] He was appointed Chief of Personnel (COP) at Naval Headquarters on 20 November 1959, in the rank of commodore,[9] and served until 1963, when he was appointed chief of staff to the Flag Officer Commanding Indian Fleet (FOCIF),[2] serving under Rear Admirals Adhar Kumar Chatterji and Benjamin Abraham Samson. In June 1965, he was appointed to a second tenure as Chief of Personnel and was promoted rear admiral in August when the post was raised to flag rank.[2]
In July 1967, Nair was appointed the first Flag Officer East Coast, based at Vishakhapatnam.[10] Eight months later, on 1 March 1968, he became the first Flag Officer Commanding-in-Chief Eastern Naval Command (FOC-in-C, ENC) when the post was upgraded. He was awarded the Param Vishisht Seva Medal (PVSM) on 26 January 1969,[11] and retired from the Navy in March 1971.[12] He died in 2007.[1]