(written: 廣川 or 広川) is a Japanese surname. Notable people with the surname include: Jiro Hirokawa (廣川 二郎), Japanese engineer Nobutaka Hirokawa (廣川 信隆, born...

Hirano (平野 信孝, born 1972), Japanese volleyball player Nobutaka Hirokawa (廣川 信隆, born 1946), Japanese neuroscientist and cell biologist Nobutaka Machimura...

Nobutaka Hirokawa (廣川 信隆, Hirokawa Nobutaka) (born March 25, 1946) is a Japanese neuroscientist and cell biologist famous for research on the kinesin...