Abstract: A cleaning apparatus for a paint roller assembly having a roller applicator, the apparatus having a housing assembly forming a cleaning cavity and forming a longitudinal input slot, support apparatus removably supporting the paint roller assembly to dispose the roller applicator within the cleaning cavity for free rotation about the center axis thereof, and a nozzle and sealing assembly supported on the housing assembly having a nozzle having fluid communication with the cleaning cavity through the input slot and closure assembly which movably supports the nozzle for travel along the length of the input slot, the nozzle attachable to a high pressure supply of cleaning fluid, the nozzle supported to direct cleaning fluid against the roller applicator to impart rotation thereof during cleaning.