The 1956 United States Senate special election in West Virginia took place on November 6, 1956, to elect a U.S. Senator to complete the unexpired term of Senator Harley M. Kilgore, who died on February 28. 1956. State Tax Commissioner William Laird III was appointed to fill this seat by Governor William C. Marland to fill the vacancy until a special election could be held and assumed office on March 13, 1956.

William Casey Marland, a Democrat, was the 24th Governor of West Virginia from 1953 to 1957. He is best known for his early attempts to tax companies that depleted the state's natural resources, especially coal, as well as overseeing implementation of school desegregation during the Civil Rights Movement when other Southern governors opposed it. Near the end of his life, he re-entered the public stage when a reporter found him driving a cab in Chicago. He responded to the negative publicity by making a public statement to the media about his recovery from alcoholism and indicated that his new, relatively humble job helped in that recovery.