| Birth Date: | 13 May 1940 |
| Nationality: | Indian |
| Alma Mater: | College of Engineering, Guindy |
| Office2: | Indian Ambassador to Myanmar |
| Term Start2: | November 1992 |
| Term End2: | September 1995 |
| Predecessor2: | P.M.S Malik |
| Successor2: | L.T Pudaite |
| President2: | Shankar Dayal Sharma |
| Office3: | Indian High Commissioner to Australia |
| Term Start3: | 1995 |
| Term End3: | 1999 |
| Predecessor3: | A.M. Khaleli |
| Successor3: | C.P. Ravindranathan |
| Office4: | High Commission of India to Pakistan |
| Term Start4: | February 1999 |
| Term End4: | May 2000 |
| Predecessor4: | Satish Chandra |
| Successor4: | Vijay K. Nambiar |
Captain Gopalaswami Parthasarathy, popularly known as G. Parthasarathy (born 13 May 1940) is a former commissioned officer in the Indian Army (1963-1968) and a diplomat and author.[1] He has served as the High Commissioner of India, Cyprus (1990–92), Ambassador of India to Myanmar, 1992–95, High Commissioner of India to Australia (1995–99) and the High Commissioner of India to Pakistan (1999-2000). Later he was the spokesperson of the Ministry of External Affairs and the Prime Minister's Office.
He graduated with a B.E. Degree in Electrical Engineering from the College of Engineering, Guindy,[2] [3] Madras, (now Chennai) in 1962.
In 1968, he joined the Indian Foreign Service, and his first diplomatic assignment was as the Third Secretary in the Embassy of India in Moscow from August 1970. For years he was known in the corridors of South Block (Secretariat Building) as "Chotta GP" ('chotta' is Hindi for small) to distinguish him from his namesake G Parthasarathy one of India's tallest diplomats, who served as India's High Commissioner to Pakistan between 1963 and 1965.[4]
He currently writes an influential column in The Pioneer, Business Line and Rediff.com,[5] mostly on foreign affairs. In July 2018, he was appointed as the Chancellor of Central University of Jammu.[6] [7]
He co-authored a book with ex-Pakistan Foreign Secretary, Humayun Khan. The book, Diplomatic Divide, debates the issues that divide India and Pakistan.[8] [9]