William Brewer

William Brewer may refer to:

• William Brewer (justice) (died 1226), administrator and justice in England
• William Briwere (died 1244), his nephew, medieval bishop of Exeter
• William Henry Brewer (1828–1910), American botanist
• William M. Brewer (died 1921), mayor of Omaha, Nebraska, 1873–1874
• William J. Brewer (1843–1878), American soldier and Medal of Honor recipient
• Billy Brewer (born 1935), former head football coach
• Billy Brewer (baseball) (born 1968), retired Major League Baseball player
• William Brewer (MP), British Member of Parliament for Colchester