Mufti Faizullah (), was a Bangladeshi Deobandi Islamic scholar, mufti, poet, educator and a reformer. He was among early students to study at the Darul Uloom Hathazari. He was an alumnus of Darul Uloom Deoband and later served as the Chief Mufti of the Darul Uloom Hathazari. He established Mekhal Madrasa following in the style of Ashab-e Suffah. He authored over 100 books in Arabic, Persian and Urdu.
Faizullah was born in 1890 to a Bengali Muslim family in the village of Mekhal in Hathazari, Chittagong district. His father, Hedayet Ali, was a munshi, while his mother, Rahimunnesa, was a housewife. He received his initial education at Darul Uloom Hathazari and was among its early students, studying under the likes of Abdul Hamid Madarshahi. In 1330 AH (1912 CE), he set off for Darul Uloom Deoband in Saharanpur, where he received higher education for two and a half years under Mahmud Hasan Deobandi, Anwar Shah Kashmiri and Aziz-ul-Rahman Usmani. He specialised in Hadith studies.
He was appointed a teacher at the Darul Uloom Hathazari in 1915, and subsequently became its Chief Mufti. He established Hami as-Sunnah Mekhal Madrasa following in the style of Ashab-e-Suffah in 1934. He was involved in the management of this madrasa until his death in 1976. He was awarded the title of "Mufti Azam" for his experience in issuing fatwas.
Faizullah authored about 100 books in Arabic, Persian and Urdu. He majorly focused on Aqidah and Fiqh in his writings. He extensively wrote on controversial matters for educational purposes of the Muslim community. Under the instruction of Abdul Hamid Madarshahi, Faizullah compiled the explanation of Ka'b ibn Zuhayr's BÃÂnat SuÿÃÂd qasida into Persian. His books include:
Faizullah died in 1396 AH (1976 CE) and was buried in front of his home in Mekhal.