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

| Constituency | Winner | Party | Margin | Runner_up_a | Party_a |
|---|---|---|---|---|---|
| Dindigul | K. Maya Thevar | ADMK | 169224 | A. Balasubramaniam | CPM |
| Madurai | R. V. Swaminathan | INC | 134345 | P. Ramamurthi | CPM |
| Periyakulam | S. Ramasamy | ADMK | 204392 | Palanivel Rajan | DMK |
| Karur | K. Gopal | INC | 145520 | M. Meenakshi Sundaram | NCO |
| Tiruchirappalli | M. Kalyanasundaram | CPI | 76045 | Y. Venkateswara Dikshidar | NCO |
| Perambalur | A. Asokaraj | ADMK | 180027 | J. S. Raju | DMK |
| Mayiladuthurai | N. Kudanthai Ramalingam | INC | 74265 | S. Govindasamy | NCO |
| Nagapattinam | S. G. Murugaiyan | CPI | 40810 | M. Thazhai Karunanithi | DMK |
| Thanjavur | S. D. Somasundaram | ADMK | 97743 | L. Ganesan | DMK |
| Pudukkottai | V. S. Elanchezhiyan | ADMK | 223615 | V. Vairava Thevar | NCO |
| Sivaganga | P. Thiagarajan | ADMK | 211533 | R. Ramanathan Chettiar | NCO |