Kumarapalayam is a state assembly constituency in Namakkal District of Tamil Nadu. It consists of a portion of Tiruchengodu taluk. It is included in the Erode Parliamentary Constituency.
It was newly formed in the year of 2008 by separating the Sankari and Tiruchengode constituencies.
It covers the majority of Pallipalayam Municipality & Komarapalayam Municipality. It covers till Bhavani constituency in the north & Erode East with the river Kaveri as its boundary.