Provided is an intraoral cleaner capable of widely cleaning the interior of the oral cavity due to the fact that a head portion thereof does not include an element corresponding to a ring portion found in conventional tongue cleaners. The intraoral cleaner includes a rod-shaped grip and a flat and thin head portion provided on the front end of the rod-shaped grip. The head portion is composed of a pouch-shaped sheet and a core portion filling the interior of the pouch-shaped sheet. The entire outer surface of the pouch-shaped sheet is equipped with linear members for scraping out dirt inside the oral cavity.
