Kunniyur is a village in Thiruvarur district in, Tamil Nadu, India. It is near the town of Mannargudi.

As per the 2001 census, Kunniyur had a population of 1700 with 864 males and 836 females.

Kunniyur was home to a mirasdari which covered over 6,000 acres (24 km). The name Kunniyur has become famous because of the last Shri. Kunniyur Sambasiva Iyer.

• "Kunniyur Village". Indian Village Portal.
• Kathleen Gough (2008). Rural Society in Southeast India. Cambridge University Press. ISBN 0521040191, ISBN 978-0-521-04019-8.