A cup dispenser for dispensing a stacked array of cups comprising housing for enclosing a plurality of cups arranged in a stack, three parallel rods extending inwardly of the housing parallel to the axis of the stack of cups disposed in surrounding relation to the stack. A spring urged pusher guided by rods engaging the stack of cups at the end of the stack opposite a discharge opening for urging the stack of cups toward the discharge opening. An adjustable ring assembly is providd for releasably restraining cups of different size, comprising a first apertured ring or panel and a second ring rotatably supported relative to the first ring or panel and slots therein, coactive with pins extending from finger members for moving the finger members inwardly and outwardly relative to the stack.