Koji
Koji or kōji means:
- Kōji, the common name of the fungus Aspergillus oryzae which produces soy sauce, sake, etc.
- People
- Koji Kondo (born 1960), composer of video game music
- Time period
In Japan, Kōji may mean:
- Kōji (Heian period) (康治), Japanese era, 1142–1144
- Kōji (Muromachi period) (弘治), Japanese era, 1555–1558