| S. M. Dorairaj | |
| Office: | Member of the Tamil Nadu Legislative Assembly |
| Term: | 1967 - 1972 1971 - 1976 |
| Predecessor: | V. S. Arunachalam |
| Party: | Dravida Munnetra Kazhagam |
S. M. Dorairaj was an Indian politician and former Member of the Legislative Assembly of Tamil Nadu. He was elected to the Tamil Nadu legislative assembly from Tiruvallur constituency as a Dravida Munnetra Kazhagam candidate in 1967, and 1971 elections and he was also first Treasurer of the ADMK party.[1] [2] He was elected from Ponneri constituency as an Anna Dravida Munnetra Kazhagam candidate in 1977 election.[3]