Pulau Paku is a small island to the east of Pulau Timun in the Langkawi Archipelago, Kedah. It is separated from the bigger island by Selat Chorong. Pulau Chorong is to the northeast of Pulau Paku. The name paku means fern in Malay. As with the other islands in the groun, Pulau Paku is uninhabited, undeveloped and rarely visited.