Moulvibazar (Bengali: মৌলভীবাজার জেলা Moulbibazar Zila), also called Maulvibazar, Moulavibazar, and Maulavibazar, is a district of Sylhet Division in North-Eastern Bangladesh.

Moulvibazar is named after Hazrat Syed Shah Mustafa 'Sher-E-Sowar' Chabukmar Baghdadi, an Islamic preacher active during the advent of Islam in the region. 'Moulvi' is the typical honorific given to Islamic clerics in South Asia, and 'bazar' is the Persian/Hindi word for market or township, whereas 'hat' would be the native Bengali word.