Vallanattu Chettiar (Nagarathar) are a community who have been classified in the state of Tamil Nadu as an Other Backward Class under India's system of positive discrimination. They are also called as Vallanattu Nagarathar Chettiar.

See also Nagarathar Aruviyur Nagarathar Nattukottai Nagarathar Thiruvathira

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