An aerosol can spray gun that accepts a top of an aerosol spray gun. The spray gun is connected to a pressurized gas source, such as air. When the trigger on the spray gun is depressed the aerosol spray can dispensing button is depressed and simultaneously so that the fluid dispensed from the aerosol can is carried by the pressurized gas out of the front of the spray gun. The pressurized gas is dispensed out of nozzles on the front of the spray gun through a rotating ring that can adjust the fan pattern between horizontal and vertical.