A multi-use dispenser for roll mourned bags includes a planar base with at least one mounting feature and a bag roll support. The support is attached to the base and is spaced upwardly there from. First and second core guides, spaced apart by at least a width of a bag roll, extend upwardly adjacent first and second ends of the bag roll support. A pair of primary bag roll retainers includes a first side guard and a second side guard mounted orthogonally to the first and second core guides, orthogonally to a long axis of the bag roll support, and spaced apart by at least the width of the bag roll. The side guards have angled brackets at their outer ends. The side guards constrain ejection of a bag roll. At least one snagging device is mounted to engage a central portion of a bag attached to the bag roll.