William Sullivan
William Sullivan may refer to:
Government
- William J. Sullivan, American judge on the Connecticut Supreme Court
- William H. Sullivan, United States diplomat
- William Sullivan , Kentucky state senator
- William C. Sullivan, former head of the Federal Bureau of Investigation's intelligence operations
- William T. Sullivan, Wisconsin state representative
- Sir Bill Sullivan , New Zealand minister of labour
- William P. Sullivan, Missouri state representative
- William Wilfred Sullivan, premier of Prince Edward Island
- William V. Sullivan, United States senator from Mississippi
- William F. Sullivan, associate justice for the Massachusetts Superior Court
Sports and related
- William Sullivan , Australian cricketer
- William Sullivan , Indian field hockey player
- Bill Sullivan , Irish baseball player
- Bill Sullivan , baseball player for the Syracuse Stars
- Billy Sullivan , owner of the Boston Patriots, an original franchise of the American Football League
- Billy Sullivan , major league catcher
- Billy Sullivan Jr., his son, baseball catcher
- William Sullivan , baseball player for the St. Louis Maroons
- Billy Sullivan, Australian rugby league player and coach
Others
- William John Sullivan, software freedom activist, hacker, and writer
- William Laurence Sullivan, Unitarian clergyman and author
- William L. Sullivan , American author
- William D. Sullivan, United States Navy officer
- William Matheus Sullivan, American lawyer and art patron
- William Holmes Sullivan, British painter
- William N. Sullivan, American entomologist
- William Kirby Sullivan, Irish philologist
- Billy Sullivan , American character actor
- William "Rocky" Sullivan, character in Angels with Dirty Faces
- Bill Sullivan , American painter, printmaker and publisher