Syed Hasan Askari (born April 10, 1901 in Khujwa, Saran District, Bihar, India) was an Indian historian. His literary work was recognized by the Indian government and focused on medieval Sufism, the regional history of Bihar, and aspects of cultural history of medieval India. He authored, edited and translated more than 250 articles, research papers, forewords, prefaces, and book reviews, which have been awarded by the Indian government and published in multiple journals, books and proceedings.