Coimbatore (Lok Sabha constituency)
Coimbatore is a Lok Sabha constituency in western Tamil Nadu, India. It is the largest city of the Kongu Nadu region of Tamil Nadu and the district headquarters of the Coimbatore district.
Assembly segments
Coimbatore Lok Sabha constituency is composed of the following assembly segments:- Coimbatore North
- Coimbatore South*
- Kaundampalayam
- Singanallur
- Sulur
- Palladam.
Members of the Parliament
| Lok Sabha | Duration | Winner | Party | Result | Victory Margin | 1st Runner | Opp.Party | Notes |
| 1 | 1952 | T. A. Ramalingam Chettiar | INC | Won | n/a | Returned Uncontested | n/a | |
| 1 | 1952-57 | N. M. Lingam | INC | Won | 41,327 | Parvathi Krishnan | CPI | Bye-election following the demise of T. A. Ramalingam Chettiar |
| 2 | 1957-62 | Parvathi Krishnan | CPI | Won | 15012 | P. S. Rangaswamy | INC | |
| 3 | 1962-67 | P. R. Ramakrishnan | INC | Won | 42,561 | Parvathi Krishnan | CPI | Closely contested 3 party election with G.K.Sundaram of Swatantra Party coming as second runner |
| 4 | 1967-71 | K. Ramani | CPI | Won | 65,921 | N. Mahalingam | INC | |
| 5 | 1971-73 | K. Baladhandayutham | CPI | Won | 77,053 | Ramaswamy | NCO | Closely contested 3 party election with K. Ramani of CPI coming as second runner |
| 5 | 1974-77 | Parvathi Krishnan | CPI | Won | n/a | n/a | n/a | Bye-election |
| 6 | 1977-78 | Parvathi Krishnan | CPI | Won | 21,178 | S. V. Lakshmanan | NCO | |
| 7 | 1980-84 | Era Mohan | DMK | Won | 56,109 | Parvathi Krishnan | CPI | |
| 8 | 1984-89 | C. K. Kuppuswamy | INC | Won | 1.02.519 | R. Umanath | CPI | |
| 9 | 1989-91 | C. K. Kuppuswamy | INC | Won | 1.40.068 | R. Umanath | CPI | |
| 10 | 1991-96 | C. K. Kuppuswamy | INC | Won | 1.86.064 | K. Ramani | CPI | . |
| 11 | 1996-98 | M. Ramanathan | DMK | Won | 2,62,787 | C. K. Kuppuswamy | INC | |
| 12 | 1998-99 | C. P. Radhakrishnan | BJP | Won | 1,44,676 | K. R. Subbaiyan | DMK | |
| 13 | 1999-04 | C. P. Radhakrishnan | BJP | Won | 54,077 | R. Nallakannu | CPI | |
| 14 | 2004-09 | K. Subbarayan | CPI | Won | 1,63,151 | C. P. Radhakrishnan | BJP | |
| 15 | 2009-14 | P. R. Natarajan | CPI | Won | 38,664 | R. Prabhu | INC | |
| 16 | 2014-19 | P. Nagarajan | AIADMK | Won | 42,016 | C. P. Radhakrishnan | BJP | . |
| 17 | 2019-24 | P. R. Natarajan | CPI | Won | 1,79,143 | C. P. Radhakrishnan | BJP | . |