Sultan Abdullah Muhammad Shah II Ibni Almarhum Sultan Jaafar Safiuddin Muadzam Shah Waliullah (21 September 1842 – 22 December 1922) was the 26th Sultan of Perak. Perak at that time was part of the British-administered Federated Malay States. He later played a prominent role of adopting the Perak's state anthem, Allah Lanjutkan Usia Sultan which was later used as the national anthem of Malaysia.