Attur Fort is a historic fort present in Attur in Salem district in the South Indian state of Tamil Nadu. The fort was built by a Palaiyakkarar chieftain under Madurai Nayaks, called Lakshmana Nayakan during the 17th Century. It was also occupied by Hyder Ali, Tipu Sultan and British during various times. The fort was used by the British as a garrison till 1854, after which the fort was not operational. In modern times, the fort is under the control of the Archaeological Department of the Government of Tamil Nadu. Some portions of the fort is dilapidated, while most other portions are enchorached by slum dwellers.