Hayashi (disambiguation)

Hayashi is a Japanese surname.

Hayashi may also refer to:


 * Hayashi clan (Owari) of Owari Province (a branch of the Inaba clan)
 * Hayashi clan (Confucian scholars) of Confucian scholars (founded by Hayashi Razan, came to prominence in the early Edo period, scholarly advisors to Tokugawa Ieyasu)
 * Hayashi clan (Jōzai) of the Jōzai Domain (descended from the Ogasawara clan)
 * Hayashi house, the name of one of the four Go houses in the Edo period
 * Hayashi (music), the term for a musical accompanist section, usually consisting primarily of percussion, in traditional Japanese theatre and dance.
 * 4771 Hayashi, a main-belt asteroid