William Cross
William Cross may refer to:
- Bill Cross, British soldier
- Billy Cross (American football), American football player
- Billy Cross, American guitarist, singer and producer
- William Cross (politician), British Member of Parliament for Liverpool West Derby, 1888–1893
- William Cross (rower), Australian Olympic rower
- William Cross (rugby union), Scottish rugby union player and referee
- William E. Cross Jr., professor at the CUNY Graduate Center
- Will Cross, American mountain climber
- Willie Cross, Scottish footballer
- The pseudonym of John Williams (convict), transported to Van Diemen's Land