Hirokawa (surname)
Hirokawa (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 1946), Japanese neuroscientist and cell biologist
- Taichirō Hirokawa (広川 太一郎; 1940–2008), Japanese voice actor