Go Hasegawa (°Tokyo, 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, Oslo School of Architecture and Design, the University of California in Los Angeles, and, currently, the Harvard University Graduate School of Design. He has received a number of awards—including the 2008 Shinkenchiku Prize and the 2014 AR Design Vanguard—and has made many publications.
In 2015, he received his PhD in Engineering from the Tokyo Institute of Technology.