William Brennan
William Brennan may refer to:
- William Brennan (Australian politician) (1865–1937), member of the New South Wales Parliament
- William Brennan (baseball) (born 1963), Major League Baseball pitcher
- William C. Brennan (1918–2000), New York politician and judge
- William J. Brennan, Jr. (1906–1997), Justice of the United States Supreme Court
- William John Brennan (1938–2013), Australian Roman Catholic bishop
- Bill Brennan (boxer) (1893–1924), American boxer
- Bill Brennan (umpire) (1880–1933), Major League Baseball umpire and college football coach
- Billy Brennan (born 1934), ice hockey player
This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.