Ali Hajveri, also known as Data Ganj Bakhsh, was a prominent 11th-century Sufi saint and scholar from Lahore, in present-day Pakistan. He is best known for his influential work, the Kashf al-Mahjub, which is one of the earliest texts on Sufism in the Persian language. His teachings emphasized love, devotion, and the importance of spiritual knowledge. Hajveri's shrine, located in Lahore, attracts thousands of visitors each year, making it a significant pilgrimage site for followers of Sufism. His legacy continues to inspire many, and he is celebrated for his contributions to Islamic mysticism and philosophy.