William H. Davidson (lieutenant governor)

William H. Davidson was an American businessman and politician who was the acting Lieutenant Governor of Illinois from December 9, 1836 to December 7, 1838. Davidson, who had been serving as the senator from White County, Illinois, replaced Alexander M. Jenkins when Jenkins resigned the Lieutenant Governor's office to become president of the Illinois Central Railroad. In 1838, Davidson lost a reelection bid to Stinson H. Anderson.

Davidson later moved from Carmi, Illinois to Louisville, Kentucky where he ran a successful wholesale mercantile business until his death.