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