William U. McCabe (1880 – May 5, 1931) was an attorney and politician from Mountain Home, Arkansas.
During the 48th Arkansas General Assembly, McCabe authored a bill proposing a constitutional convention to reorganize the state government.
McCabe was shot in his hotel room early in the morning of March 12, 1931.
With a bullet embedded in his heart, McCabe recovered sufficiently to return to Mountain Home, but succumbed to pneumonia at a Little Rock hospital on May 6, 1931.
Lansdale, a traveling salesman from Atlanta, Georgia, was charged with murder after a pistol was found in his room.