Thondamuthur is a legislative assembly in Coimbatore district in Tamil Nadu, which includes the town of Thondamuthur. Its State Assembly Constituency number is 119. Thondamuthur Assembly constituency is part of Pollachi Lok Sabha constituency. It was a part of Nilgiris Lok Sabha constituency until the 2008 delimitation. An election was not held in the year 1957. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.