Iwasa
Iwasa is a Japanese surname. Notable people with the surname include:
- Ayumu Iwasa, Japanese racing driver
- Iwasa Matabei, Japanese artist
- Janet Iwasa, American cell biologist and animator
- Mayuko Iwasa, Japanese gravure idol
- Mihoko Iwasa, Japanese shogi player
- Misaki Iwasa, Japanese idol and singer
- Ryosuke Iwasa, Japanese boxer
- Sakutarō Iwasa, Japanese anarchist
- Shun Iwasa, Japanese general
- Taku Iwasa, Japanese professional wrestler
- Yoh Iwasa, Japanese academic