Phoon Kok Kwang (Chinese: 方國光; pinyin: Fāng Guóguāng) is a Singaporean civil engineer, currently a Distinguished Professor and Vice Provost, and formerly Provost's Chair Professor, at National University of Singapore and is the founding editor-in-chief of the Taylor & Francis journal Georisk. He is also a Fellow of the American Society of Civil Engineers. He was also previously the Kwang-Hua Professor at Tongji University.^[1][2]

In 2017, Phoon received the Humboldt Prize.^[3]