William Connors may refer to:

• William J. Connors (1891–1961), Illinois politician
• Billy Connors (1941–2018), baseball player
• Bill Connors (born 1949), musician
• William Connors (baseball), manager of Bloomington Bloomers
• William W. Connors, game designer

• William Connors, also known as Billy Conners, a fictional Marvel Comics character who is the son of Curtis Connors

• William Connor (disambiguation)