Abstract: A stackable portable engine mounting stand for supporting an engine above the floor. The engine mounting stand has a pair of vertically disposed front and rear legs firmly fastened to the engine block by means of bolts passing through the legs and received in threaded holes within the engine block. The bottoms of the legs are mounted on rollers to permit the engine mounting stand to be moved about on the floor. In one of the embodiments the tops of the legs have protrusions which are received in the bottom of legs of a stationary engine mounting stand. This stand is similarly attached to an engine block. By means of a second stationary engine stand up to three engines can be stacked vertically one above the other.