Abstract: A mouth guard holding assembly includes a housing assembly with a container having a bottom wall and a perimeter wall. An intermediate wall is attached to and is coextensive with an inner surface of the perimeter wall. The intermediate wall has an outer edge and a central area. The intermediate wall is contoured downwardly toward the bottom wall from the outer edge to the central area. The intermediate wall has a plurality of drainage apertures extending therethrough. A cover is removably attached to the perimeter wall and closes the access opening. A cleansing solution is positionable in the housing and a mouth guard is positionable on the intermediate wall so that the cleansing solution cleans the mouth guard when the housing is titled and the cleansing solution enters a space between the intermediate wall and the cover through the apertures.