In 2006 assembly elections in Tamil Nadu, Kumaraguru. R of AIADMK won the Thirunavalur assembly constituency.
In 2001 assembly elections in Tamil Nadu, Gnanamoorthy.K.G.P. of ADMK won the Thirunavalur assembly constituency.
In 1996 assembly elections in Tamil Nadu, A.J. Manikkannan of DMK won the Thirunavalur assembly constituency.
In 1991 assembly elections in Tamil Nadu, J. Panneerselvam of ADK won the Thirunavalur assembly constituency.