William Trench may refer to:
- William Trench, 1st Earl of Clancarty (1741–1805), Anglo-Irish aristocrat and politician
- William Trench, 3rd Earl of Clancarty (1803–1872), Irish nobleman
- William Trench III (1831–1896), reeve of Richmond Hill, Ontario
- William Le Poer Trench (1837–1920), Anglo-Irish politician and British army officer
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.