Syed Ahmad Dehlavi (died 1894) was an Indian Muslim academician and hadith scholar who served as the second principal and Sheikh al-Hadith of Darul Uloom Deoband between 1884 and 1890.
His students included Abdul Hayy Hasani, Murtaza Hasan Chandpuri, Mahmud Hasan Deobandi, Aziz-ul-Rahman Usmani, Muhammad Yasin Deobandi, Ubaidullah Sindhi, and Ashraf Ali Thanwi.
His father, Maulvi Imamuddin, privately tutored Mughal princes, and his maternal uncle, Mir Syed Mehboob Ali Jafari, was a student of Shah Abdul Aziz Dehlavi.
He resigned from the seminary in 1890 AD (1307 AH) and joined Madrasa Jahangiri in Bhopal as a principal and rector at the invitation of Shah Jahan Begum.
[4][5][6][7][8][9] During his tenure as principal at Darul Uloom Deoband, thirty students completed graduation in Dars-e-Nizami, including Ghulam Rasool Hazarvi and Murtaza Hasan Chandpuri.