John Bacon may refer to:
Art
- John Bacon (sculptor, born 1740) (1740–1799), British sculptor
- John Bacon (sculptor, born 1777) (1777–1859), British sculptor
Educator
- John Mackenzie Bacon (1846–1904), English astronomer, aeronaut, and lecturer
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 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
Sports
- John Bacon (footballer) (born 1973), Irish footballer
- John Bacon (cricketer) (1871–1942), English cricketer
Others
- John Bacon (clerk) (1738–1816), British clerk and editor
- John Bacon (judge) (died 1321), English judge
- John Lement Bacon (1862–1909), Vermont banker, businessman and politician
- John U. Bacon (born 1964), American author
- John Baconthorpe, a.k.a. John Bacon (c. 1290–1346), English Carmelite monk
- John Bacon (Dedham) (died 1683), early American settler