Yercaud is a state assembly constituency in Salem district of Tamil Nadu, India. Its State Assembly Constituency number is 83. The seat is reserved for candidates from the Scheduled Tribes and comprises Yercaud taluk, Vazhapadi taluk, and portions of Salem and Attur taluks. It is a part of the wider Kallakurichi Lok Sabha constituency for national elections to the Parliament of India. The constituency has been in existence since 1957 election. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.