Go Hasegawa (born in 1977) is a Japanese architect based in Tokyo. Hasegawa graduated with a Master of Engineering from the Tokyo Institute of Technology in 2002, after which he worked at Taira Nishizawa Architects before establishing Go Hasegawa & Associates in 2005.
He has taught as a visiting professor at the Tokyo Institute of Technology, the Academy of Architecture of Mendrisio in Switzerland, Oslo School of Architecture and Design in Norway, and the University of California (Los Angeles) in the United States. He has received a number of awards, including the 2008 Shinkenchiku Prize and the 2014 AR Design Vanguard. His first monograph, Go Hasegawa Works, was published by TOTO Publishers in 2012 and his most recent publication is Go Hasegawa Conversations with European Architects, a collection of interviews with six European architects (LIXIL Publisher, 2015). In 2015, he received his PhD in Engineering from the Tokyo Institute of Technology.