John Baron

John Baron may refer to:


 * John Baron (academic) (died 1722), English academic administrator at the University of Oxford
 * John Baron (politician) (born 1959), English Member of Parliament
 * John Baron (physician) (1786–1851), English physician
 * John Baron (priest) (1677–1739), Anglican priest
 * John Baron (pseudonym), a pseudonym used by Donald Trump in the 1980s