Palacode or Palacodu is a state assembly constituency in Dharmapuri district in Tamil Nadu, India. Its State Assembly Constituency number is 57. It comprises a portion of Palacode taluk and is a part of Dharmapuri Lok Sabha constituency for national elections to the Parliament of India. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India. Elections and winners in the constituency are listed below.