William H. Thomas

William H. Thomas may refer to:


 * William Hannibal Thomas (1843–1935), American teacher, journalist, judge, writer and legislator
 * William H. Thomas (Wisconsin politician) (1821–1898), American politician
 * William Henry Thomas (1920–2009), American politician
 * William Holland Thomas (1805–1893), American Confederate army officer
 * William H. Thomas (Medal of Honor) (1923–1945), American soldier
 * William H. Thomas (physician) (born 1959), American physician
 * William H. Thomas (Alabama judge) (1867–1945), associate justice of the Alabama Supreme Court
 * William H. Thomas (Maryland judge) (c. 1861–1924), judge of the Maryland Court of Appeals