John Brunner

John Brunner may refer to:


 * Sir John Brunner, 1st Baronet (1842–1919), British industrialist and Liberal Member of Parliament
 * John L. Brunner (1929–1980), Pennsylvania politician
 * Sir John Brunner, 2nd Baronet (1865–1929), British Liberal Member of Parliament
 * John Brunner (author) (1934–1995), British author, mainly of science fiction