William L. Guy, American lieutenant and politician, 26th Governor of North Dakota (d. 2013)

William Lewis Guy (September 30, 1919 – April 26, 2013) was an American politician who was the governor of the U.S. state of North Dakota from 1961 to 1973. Guy was North Dakota's longest-serving governor in state history, serving two consecutive two-year terms and two four-year terms in office.