Pulau Lembu (GPS: 6.18151, 100.06897) is an islet to the east of Pulau Payar. It is part of the Kedah Marine Park which includes Pulau Payar and Pulau Segantang. Pulau Lembu is located to the southeast of the Langkawi Archipelago. It is usually not included in snorkelling packages, but some diving expeditions do occasionally go there. The name Pulau Lembu means Cow Island in Malay.