Arif Hasan is a Pakistani architect, planner, teacher, social researcher, and writer. He is a recipient of Hilal-i-Imtiaz (Crescent of Excellence) one of the country's highest awards. Hasan studied architecture at Oxford Polytechnic (now Oxford Brookes University), UK and started his own practice in Karachi in 1968, and has been involved with the Orangi Pilot Project (OPP), Karachi since 1982.
In 1989, he founded the Urban Resource Centre (URC) in Karachi of which he is the founder chairman. Arif Hasan is an also a well published writer and some of his books include Participatory Development and The Unplanned Revolution both published by Oxford University Press. Apart from the Hilal-e-Imtiaz he has also won the Prince Claus Award: Urban Heroes from the Netherlands government and the Life Time Achievement Award, from Institute of Architects, Pakistan in 2003.