Coimbatore is a Lok Sabha constituency in western Tamil Nadu, India.

Its Tamil Nadu Parliamentary Constituency number is 20 of 39.

It is the Second largest city of Tamil Nadu and the district headquarters of the Coimbatore district.

This Coimbatore Lok Saba Constituency having third largest Number of Voters after Sriperumbudur and Chennai South.

From 2009 Coimbatore Lok Sabha constituency is composed of the following assembly segments: Before delimitation in 2009, it consisted of the following constituencies:[2] ^ By Poll