20. TRIVANDRUM
Total Votes: 1198918
Votes Polled: 757497
Invalid Votes: 1556
| Name of the Candidate | Party | Votes | Percentage |
| V. S. SIVAKUMAR | INCI | 288390 | 38.15 |
| KANIYAPURAM RAMACHANDRAN | CPI | 273905 | 36.23 |
| O. RAJAGOPAL | BJP | 158221 | 20.93 |
| E. J. VIJAYAMMA | IND | 19652 | 2.60 |
| SALAHUDEEN | IND | 4060 | 0.54 |
| SASIKUMAR | IND | 3086 | 0.41 |
| A. V. KRISHNAN MOOSAD | IND | 2566 | 0.34 |
| ULLOOR GOPI | IND | 1947 | 0.26 |
| RAJESH | IND | 1462 | 0.19 |
| B. SREEKUMARAN NAIR | SS | 1164 | 0.15 |
| B. K. RAJAGOPAL | SUCI | 1100 | 0.15 |
| NOUSHAD | IND | 388 | 0.05 |
| Total | 755941 | 100.00 | |
Mr. V. S. SIVAKUMAR (INCI) elected with a margin of 14485 votes.