Iwai (surname)
Iwai is a Japanese surname. Notable people with the surname include:
- Atsuhiro Iwai, Japanese footballer
- Iwai Hanshirō I, Japanese kabuki artist
- Iwai Hanshirō V, Japanese kabuki artist
- Iwai Hanshirō VIII, Japanese kabuki artist
- Katsuhito Iwai, Japanese economist
- Masaki Iwai, Japanese curler
- Shunji Iwai, Japanese film director
- Shuya Iwai, Japanese footballer
- Toshio Iwai, Japanese artist
- Yukiko Iwai, Japanese voice actress
- Yukiko Iwai , Japanese pop singer
