Fātimah Zarrīn Tāj Baraghānī Qazvīnī, also known as “Tāhirah” or “Qurrat al-ʿAyn” (born Qazvin, 1814—died Tehran, 1852), was an Iranian theologian and poet. She was amongst the first disciples of the Babi faith, and is remembered for her advocacy of Babi teachings, including her unveiling at Badasht in 1848. Qurrat al-ʿAyn is the author of a number of poems in Persian and Arabic.