| Thirumalraya Swaminathan | |
| Office: |  IndianAmbassador to  Belgium |
| Predecessor: | K. B. Lall |
| Successor: | Bhagvatprasad Raojibhai Patel |
| Office2: | cabinet secretary of India |
| Predecessor2: | B.Sivaraman |
| Office3: | Chief Election Commissioner of India |
| Term Start3: | 1973 |
| Term End3: | 1977 |
| Predecessor3: | Nagendra Singh |
| Successor3: | S. L. Shakdhar |
Thirumalraya Swaminathan was cabinet secretary of India during 1 December 1970 to 2 November 1972. He was a member of Indian Civil Service (ICS). Swaminathan, served as 5th Chief Election Commissioner of India, from 7 February 1973 to 17 June 1977.