William Winter
William or Bill Winter may refer to:
- Bill Winter (American football), American football player
- Bill Winter (British Army officer), British soldier
- Bill Winter, American football player; played for the New York Giants
- William Winter (author), American drama critic and author
- William Winter (chess player), British chess player
- William Winter (cricketer), English cricketer
- William F. Winter, American politician; former Governor of Mississippi
- W. Christopher Winter, sleep medicine specialist and neurologist
- William H. Winter, American explorer and author
- William J. Winter, Roman Catholic auxiliary bishop of Pittsburgh
- William Winter-Irving, born William Irving Winter, Australian politician