Abd al-Rauf al-Sinkili

Abd al-Rauf ibn Ali al-Fansuri al-Sinkili (spelling variation Abdurrauf Singkil, 1615–1693 CE) was a well-known Islamic scholar, spiritual leader of the Shattariyya tariqa and the mufti of Aceh Sultanate. He was the confidant of Sultana Safiyat al-Din. He was considered the first person to spread the Shattari Sufi order in Indonesia and Southeast Asia. Many of his students also became disseminators of Islam. He is commonly known as Shaikh Abd al-Rauf al-Sinkili, and also known posthumously in Aceh as Teungku Syiah Kuala, which translates to "Sheikh in the Estuary".

Al-Sinkili was believed to be a native of Singkil, a town on the western coast of Aceh. Beside being called Al-Sinkili, his other attribution (Arabic: nisba) was Al-Fansuri, which relates him to the town of Barus. He could be related to another prominent Sufi poet and writer from that town, Hamzah Fansuri.