M. P. Saminathan is the Minister for Information & Publicity in the 16th Legislative Assembly of Tamil Nadu. He was the Minister for Highways and Minor Ports in Tamil Nadu in the 13th Legislative Assembly (2006 - 2011).
He was born in Erode and his hometown is Muthur, Tiruppur District. He holds a Bachelor of Arts degree from PSG College of Arts & Science, Coimbatore.
He had a hat-trick assembly win in 1996, 2001 and 2006 from the Vellakoil Constituency. Vellakoil Constituency was announced as defunct for the 2011 elections. In 2011 & 2016 he had to change his constituency and lost in both the elections. In 2021, he emerged as a winner from the Kangayam Constituency.
He started his political career at a very young age. He first became an MLA in 1996 by defeating the former minister Durai Ramasamy. Saminathan was only 32 years old at that time.