William Younger may refer to:
William Younger (brewery), 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 (1862–1937), Scottish politician William L. Younger (1894–1977), American football player, coach, and college athletics administrator William McEwan Younger (1905–1992), Scottish brewer and political activist
See also William the Younger (disambiguation)