Abstract: A universal controller holster for holding one- or two-lobed controllers on the person of a user, such as game controllers is disclosed. The universal controller holster is adjustable and designed to hold on the person of a user most controllers that are commercially available. The universal controller holster comprises two collars connected together by an arm and further to a spine having an angled tooth at one end. The spine is adjustably fastenable to a mount having a plurality of detents to which the angled tooth of the spine can be attached, thus adjusting the height of the mount to accommodate the size of various controllers. The universal controller holster further comprises a clip that can be used to attach the holster to a user such as the waist band of slacks or a belt, or can be used to attach to other items such as a purse or any other item. The universal controller holster allows for the user to hold the controller hands-free while moving and changing locations.