John Bacon may refer to:
Art
John Bacon (sculptor, born 1740) (1740–1799), British sculptor
John Bacon (sculptor, born 1777) (1777–1859), British sculptor
John Henry Frederick Bacon, British painter and illustrator
Military
John M. Bacon (1844–1913), American general
John Bacon (loyalist) (died 1783), loyalist guerilla fighter during the American Revolutionary War
Politics
John Bacon (Massachusetts politician) (1738–1820), US Representative from Massachusetts John E. Bacon (South Carolina politician) (1830–1897), South Carolina politician, diplomat John E. Bacon (Arizona politician) (1869–1964), Arizona politician, doctor John F. Bacon (1789–1860), clerk of the New York State Senate, and U.S. Consul at Nassau, Bahamas John L. Bacon (1878–1961), mayor of San Diego, California