John Brewster

John Brewster may refer to:


 * John Brewster (author) (1753–1842), English author and clergyman
 * John Brewster Jr. (1766–1854), American painter
 * John William Brewster (1930–2019), British politician
 * John Brewster (musician) (born 1949), Australian guitarist
 * John Alexander Brewster (1826–1889), California Surveyor General