Ustad Hussain Sayeeduddin Dagar (Alwar, Rajasthan, India, 20 April 1939 – 30 July 2017) known as Saeed Bhai, was an Indian classical singer, belonging to the Dhrupad tradition, the oldest existing form of north Indian classical music (Hindustani classical music). He belongs to the unbroken lineage of illustrious Dagar family of dhrupad music propagated by Baba Behram Khan Dagar of Jaipur. He has kept this tradition vibrantly alive and represents the 19th generation in this tradition along with brothers Late Padmabhushan Ustad N.