Abstract: A portable bathtub for washing animals comprises a self-standing tub having a base, opposing side walls and opposing end walls, and a restraining device for restraining the animal in the tub. The restraining device includes a pair of straps which pass through slits in the side walls. One end of each strap is attached to the respective side wall exteriorly of the tub by a hook-and-loop fastener such that the effective length of the strap can be adjusted. The other end of each strap has a snap hook thereon for fastening to the animal's collar. A drainage outlet is provided in one end wall and has a straining device therein. A removable plug is fit in the drainage outlet.