Saif Ul Haque (b.1958) is an architect practicing in Dhaka. He was a partner at Diagram Architects from 1984 until 1997, when he established his own practice. His built works include the BRAC Training Center at Faridpur (1992), Banchte Shekha Training Center at Jessore (1994), Camp House for an Archaeological Team at Bogra (1996) and Govindo Gunalanker Hostel at Chittagong (1999), all in Bangladesh. He is also involved in research related to architecture, and directed the documentation of Bangladesh's architectural heritage for the Chetana Research Society, which led to a major exhibition on architecture entitled Pundranagar to Sherebanglanagar held in Dhaka in 1997, and a book of the same name. He co-curated the exhibition Sherebanglanagar: Louis I. Kahn and the Making of a Capital Complex, and co-authored a book on the subject in 2002.