Sheikh Mustafa (1836 – 25 July 1888), known as Sheikh Mustafa Waliullah (Tamil: அஷ் செய்கு முஸ்தபா(வலியுல்லாஹ்) இப்னு பாவா ஆதம்) was an Islamic scholar from Sri Lanka. He was also a poet and Sufi. Sheikh Mustafa was founder of the Qadiriyyathun Nabaviyyah Sufi order.