Asai (surname)
Asai is a Japanese surname which means "shallow well". Notable people with the surname include:
- Akihiro Asai, race car driver
- Asai Chū, Japanese painter
- Eriko Asai, long-distance runner
- Isao Asai, Japanese ice hockey player
- Itsuki Asai, Japanese baseball player
- Katsuaki Asai, high-ranking teacher of Aikido in Germany
- Makate Asai, Japanese writer
- Tetsuhiko Asai, Shotokan karate master
- Yoshihiro Asai, professional masked wrestler wrestling under the name Ultimo Dragon
- Yoshiko Asai, female voice actor
