William Gage

William Gage may refer to:

People

 * William Gage (15th-century landowner) (1447–1497)
 * Sir William Gage, 2nd Baronet (c. 1650–1727)


 * Sir William Gage, 7th Baronet (1695–1744), MP for Seaford from 1727 until his death
 * William Gage, 2nd Viscount Gage (1718–1791), equerry to the Prince of Wales and Member of Parliament
 * William Hall Gage (1777–1864), Second Sea Lord and Admiral of the Fleet in the British Navy
 * William James Gage (1849–1921), Canadian publisher and philanthropist
 * William J. Gage (1891–1965), American architect, designed Beverly Hills City Hall
 * Sir William Gage (judge) (1938–2023), UK Lord Justice of Appeal

Other

 * Sir William Gage Middle School, in Brampton, Ontario, Canada