Persatuan Muslim Kadayanallur (GPS: 5.42133, 100.33044) is an Indian Muslim association in George Town, Penang. They are Tamil Muslims who trace their origin to Kadayanallur in present-day Tamil Nadu, India. The association has its premises on Jalan A.S. Mansoor in the Indian Muslim enclave of Transfer Road.
The Kadayanallur Tamils have made their presence felt in the major port cities of the Straits Settlements. In Singapore, there is even a Kadayanallur Street.