Hayashi Jussai (? ??, August 10, 1768 – August 30, 1841) was a Japanese neo-Confucian scholar of the Edo period.
He was an hereditary rector of Edo’s Confucian Academy, the Shohei-ko, also known at the Yushima Seido, which was built on land provided by the shogun.
The Yushima-Seido, which stood at the apex of the Tokugawa shogunate's educational system; and Jussai was styled with the hereditary title "Head of the State University" (???, Daigaku-no-kami).