Abu Ismaïl Abdullah al-Herawi al-Ansari or Abdullah Ansari of Herat also known as Pir-i Herat "Sage of Herat", was a Muslim Sufi saint who lived in the 11th century in Herat. One of the outstanding figures of 5th/11th century Khorasan, Ansari was a commentator of the Qur'an, scholar of the Hanbali school of though, traditionalist, polemicist, and spiritual master, known for his oratory and poetic talents in Arabic and Persian.