Chalakudy is one of the 20 Lok Sabha (parliamentary) constituencies in the South Indian state of Kerala.

The constituency comprises seven assembly segments spread over two districts—Thrissur (3) and Ernakulam (4).

Chalakudy Lok Sabha constituency comprises the following seven legislative assembly segments: Kaipamangalam assembly segment came into existence in 2008, following delimitation of legislative assembly constituencies.

Chalakudy, Kodungallur, Perumbavoor, and Angamaly were part of the erstwhile Mukundapuram Lok Sabha constituency.

[1] As Crangannur in Thiru–Kochi As Mukundapuram As Chalakudy (supported by LDF) According to Election Commission, there are 11,85,268 registered voters in Chalakudy Constituency for 2019 Lok Sabha Election.