Oshio Heihachiro (?? ???, March 4, 1793 – May 1, 1837) was a former yoriki and a Neo-Confucianist scholar of the Wang Yangming school (???, youmeigaku) in Osaka.
Despite working for the government, he was openly against the Tokugawa regime.
He is known for his role as leader in the rebellion against the Tokugawa shogunate.