Kōjirō Hongō
- Birth Date
- 2/15/1938 - 2/14/2013
- Birth Place
- Okayama, Japan
- Known For
- Acting

Kōjirō Hongō was a Japanese actor best known for his work with Daiei Studios in the 1960s. Hongō won an Elan d'or Award for Newcomer of the Year in 1959.

Kōjirō Hongō was a Japanese actor best known for his work with Daiei Studios in the 1960s. Hongō won an Elan d'or Award for Newcomer of the Year in 1959.