Indian general election in Tamil Nadu, 1977 List of Elected MPs List of Elected MPs

| Constituency | Winner | Party | Margin | Runner_up_a | Party_a |
|---|---|---|---|---|---|
| Cuddalore | G. Bhuvarahan | INC | 89057 | S. Radhakrishnan | NCO |
| Chidambaram | A. Murugesan | ADMK | 109234 | N. Rajangam | DMK |
| Dharmapuri | K. Ramamurthy | INC | 105686 | P. Ponnuswamy | NCO |
| Krishnagiri | P. V. Periasamy | ADMK | 119228 | M. Kamalanathan | DMK |
| Rasipuram | B. Devarajan | INC | 133438 | Jothi Venkatachalam | NCO |
| Salem | P. Kannan | ADMK | 79604 | K. Rajaram | DMK |
| Tiruchengode | R. Kolanthaivelu | ADMK | 128180 | M. Muthusamy | DMK |
| Nilgiris | P. S. Ramalingam | ADMK | 59346 | M. K. Nanja Gowder | NCO |
| Gobichettipalayam | K. S. Ramaswamy | INC | 105458 | N. K. Karuppuswamy | NCO |
| Coimbatore | Parvathi Krishnan | CPI | 21178 | S. V. Lakshmanan | NCO |
| Pollachi | K. A. Raju | ADMK | 124194 | C. T. Dhandapani | DMK |
| Palani | C. Subramaniam | INC | 221768 | K. N. Saminathan | DMK |