William Younger
William Younger may refer to:
- William Younger , an Edinburgh-based brewery that was part of Scottish Brewers, later Scottish & Newcastle, now a brand of Wells & Young
- *William Younger I, whose son Archibald Campbell Younger named the eponymous brewery for him
- Sir William Younger, 1st [Baronet, of Auchen Castle], Scottish politician
- William L. Younger, American football player, coach, and college athletics administrator
- William McEwan Younger, Scottish brewer and political activist