Modakurichi (தமிழ்: மொடக்குறிச்சி) is a legislative assembly constituency in the Indian state of Tamil Nadu.

Its State Assembly Constituency number is 100.

It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.

It covers Sivagiri, Modakurichi and some parts of Erode City.

It is included in Erode Parliamentary Constituency.