Abstract: A portable golf ball washer including a cylindrical housing defining a washing chamber, the housing having an opening in a peripheral wall thereof permitting a conventional golf ball to be inserted into the washing chamber, ball scrubbing means disposed in the washing chamber, manually actuatable means rotatable in one direction about the longitudinal axis of said cylindrical housing for impelling a golf ball in a substantially circular path over the scrubbing means and simultaneously rotating the ball about various axes, the manually actuatable means being rotatable in the opposite direction about said axis for ejecting the ball through said opening, and means for releasably securing the housing to a support such as a golf cart or a golf bag.