Raja Sri Raghunatha Raya Tondaiman (1641–1730) was the ruler of the Pudukkottai kingdom from 1686 to 1730.
In 1640 along with the help of Sri Rangaraya, Avadai Tondaiman captured territories north of Vellar from Pallavarayar.
[1] Raghunatha Raya Tondaiman was educated in private and succeeded to the chieftainship on the death of his father in 1661.
Following the Raja's death in 1720, Raghunatha Raya Tondaiman supported Tanda Deva against Bhavani Shankar, the candidate of Serfoji I of Thanjavur.
Raghunatha Raya Tondaiman also supported the cause of Tanda Deva who was eventually successful.