A spray canister dispenser for mounting to a spray canister to allow for more convenient actuation of a nozzle. The spray canister dispenser includes a housing that removably mounts to an upper end of a spray canister. A first channel is disposed on an interior sidewall of the housing and can align with a lip of the spray canister to selectively couple thereto. An actuator assembly having a trigger handle and an actuator extends from a moveable plate secured to the housing and can transition between a dispensing and resting configuration. In the dispensing configuration, the actuator is forced against a spray canister nozzle to dispense substance therefrom. In use, the trigger handle is positioned on a forward side of the spray canister, wherein the housing is on a rearward side of the canister. An aperture is disposed within the trigger handle to allow the substance to be dispensed therethrough.