Bilal Abdul Hai Hasani Nadwi (born October 3, 1969) is an Indian Islamic scholar, Hadith lecturer, da'i, and author. He is currently the Chancellor of Darul Uloom Nadwatul Ulama. He also serves as the General Secretary of the All India Payam-e-Insaniyat Forum and a member of Darul Uloom Deoband's executive council.

Bilal Abdul Hai Hasani Nadwi was born on October 3, 1969, in Takia Kalan, Raebareli.^[2][3][4] His father, Muhammad al-Hasani,^[5] was an Islamic scholar and the founder and editor-in-chief of the Arabic magazine Al Baas Al Islami.^[6][7] His grandfather, Syed Abdul Ali Hasani, was the 6th chancellor of Darul Uloom Nadwatul Ulama^[8] and the elder brother of Abul Hasan Ali Nadwi.^[9] His great-grandfather, Syed Abdul Hayy Hasani,^[5] was the author of the notable biographical book Nuzhat al-Khawātir.^[10] His lineage reaches Hasan Al Musanna bin Hasan ibn Ali^[11] through Syed Ahmad Barelvi.^[12][13]

After the demise of his father at the age of ten, he was brought up by his elder brother, Abdullah Hasani Nadwi.^[14][15][16] He received his primary education in his native land, under the supervision of Abul Hasan Ali Hasani Nadwi. After that, he enrolled in Darul Uloom Nadwatul Ulama for higher education and completed the Aalimiyyah course in 1988 and the Fazīlah course in 1990 there.^[2][3][4]

He received permission (Ijazah) in Hadith from Abul Hasan Ali Hasani Nadwi, Abdur Rashīd Nomani, Abd al-Fattah Abu Ghudda, Abdullah ibn Abdul Aziz al-Aqīl, Yunus Jaunpuri, Ahmad Hasan Tonki, and Shaikh Ahmad Shafi.^[2]

He is an authorised disciple of Muhammad Rabey Hasani Nadwi and Sayed Nafees al-Hussaini in Tariqah.^[2]

After graduating from education, Nadwi was appointed as a Hadith teacher in Madrasa Ziyaul Uloom in Raebareli, where he continued to provide teaching services,^{[17][2][14][18]} and now he is teaching the subject of Islamic thought in Darul Uloom Nadwatul Ulama.^[2]

After the death of his brother Abdullah Hasani Nadwi in 2013, he was elected as the General Secretary of the All India Payam-e-Insaniyat Forum, towards which he is serving humanity all over the country.^[2][5]

On May 11, 2021, after the demise of Hamza Hasani Nadwi, he was elected the vice principal of Darul Uloom Nadwatul Ulama.^[2] He succeeded Rabey Hasani Nadwi as the chancellor of Nadwatul Ulama on April 14, 2023,^[19][20] and as a member of the executive council of Darul Uloom Deoband on August 29, 2023.^[21][22][23]

Apart from these, he is the Deputy Moderator of Madrasa Ziyaul Uloom Raebareli, Editor-in-Chief of Monthly Payām-e-Arafāt, Director of Imam Abi al-Hasan An-Nadwi, Raebareli,^{[17][14][4][24]} a member of the exicutive council of Nadwatul Ulama,^[14] and one of the secretaries of the All India Muslim Personal Law Board.^[25][26][27]

Nadwi has been tasked by the AIMPLB to lead the Tafheem-e-Shariat Committee, which is responsible for the interpretation of Islamic laws for both the general public and others to ensure Muslim women get their inheritance rights.^[28][29][30]

Nadwi edited several books by Abul Hasan Ali Hasani.^[18] His works include:^{[18][31][17][32][33]}

• Mabādi’u Wa Usool Fi 'Ilm al-Hadith (in Arabic)
• Sawāneh-e-Mufakkir-e-Islam (a biography of Abul Hasan Ali Hasani Nadwi in Urdu)
• Islāmi Aqā’id (Islamic beliefs in Urdu)
• Tauheed Kiya Hoga? (What is monotheism? in Urdu)
• Aasān Ma'āni-e-Quran (simple meanings of the verses of the Quran in Urdu.) This book was also translated into Hindi as Pavitra Quran Ka Saral Anuvad.
• Sihāh-e-Sitta Aur Unke Musannifeen: Imtiyāzāt o Khusoosiyyāt (Sihah Sitta and their authors: Distinctions and Features in Urdu.)
• Sahāba Ka Maqām o Martaba (The rank and status of the Companions in Urdu.) This book was also translated into Arabic as Makānat-us-Sahābah Fi Zau’ al-Quran Was-Sunnah.
• Hadith Ki Roshni (in Urdu and Hindi) This book was also translated into English as The Enlightenment of Hadith.
• Quran Aur Sahib-e-Quran (in Urdu) This book was also translated into English as the Quran and Prophet Muhammad.
• Ghazawāt-e-Rasool Insaniyat Ke Liye Ek Namūna (Ghazawāt-e-Rasool is a model for humanity)
• Ilm, Insaniyat Ki Zaroorat (Knowledge, a necessity for humanity in Urdu)
• Tahreek-e-Payām-e-Insaniyat (The Massage of Humanity Movement in Urdu)
• Rahmatul-lil-'Aālameen Ki Sarapa Rahmat Ta'leemāt (Merciful Teachings of the Mercy to the Worlds)
• Mufakkir-e-Islam Maulana Syed Abul Hasan Ali Nadwi: Manhaj-e-Fikr-o-Da'wat (Shaykh Abul Hasan Ali Nadwi: Method of Thought and Da’wah in Urdu) This book is also translated into Arabic as Manhaj-ush-Shaykh Abi-l-Hasan Ali Nadwi Fi-l-Fikr Wal-Da'wah.
• Qādiyaniyyat: Manzar Aur Pas-Manzar (Qadianism: Scene and Background in Urdu)