Namakkal Fort is a historic fort present in Namakkal in Namakkal district in the South Indian state of Tamil Nadu. The fort is located on the top of a hillock made of a single rock, 75 m (246 ft) tall. There is a temple and a mosque that are located within the fort, both of which are popular tourist attractions of the town. In modern times, the fort is under the control of the Archaeological Department of the Government of Tamil Nadu.