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Aranthangi Fort
Location in Tamil Nadu, India
Location	Aranthangi, India
Coordinates	10°09′47″N 78°59′46″E / 10.1631°N 78.9962°E / 10.1631; 78.9962
Built	16th or 17th century
Architect	Tondaiman
Architectural style(s)	Dravidian architecture

Aranthangi Fort is a fortress situated in the town of Aranthangi in Pudukkottai district, Tamil Nadu, India. It was constructed in the 16th or 17th century AD by Tondaiman kings. Nearby, there is an 11th-century Hindu temple constructed by Rajendra Chola.

• Tourist Guide to Tamil Nadu. Sura Books. p. 97. ISBN 81-7478-177-3, ISBN 978-81-7478-177-2.