The present invention relates to a cleaning/sterilization and storage device for a plurality of dentures, which is capable of simultaneously cleaning a plurality of dentures and, more particularly, to a cleaning/sterilization and storage device for a plurality of dentures, which is capable of simultaneously cleaning a large number of dentures collected from facilities where there are many denture users such as a nursing home or a geriatric hospital to supply the same to the user again, and killing germs as well as separating foreign substances to supply the dentures to the user.