Banzan
Banzan may refer to:
 10453 Banzan, a main-belt asteroid named after Kumazawa Banzan
 30963 Mount Banzan, a Mars-crossing asteroid, named after the Japanese mountain
 Kumazawa Banzan (1619–1691), a Confucian scholar in the Edo period
 Mount Banzan, Japan, where the Sendai Astronomical Observatory is located