Honest John may refer to:
Politicians United Kingdom John Battersby, councillor in Glasgow and trade union leader John Bowen (alderman), High Sheriff of Worcestershire John Fielden, British politician Mad Jack Fuller, British politician who preferred to be known as "Honest John" Fuller John Lilburne (1614 – 1657), English Leveller during the English Civil Wars
United States John Davis (Massachusetts governor) John H. Farley, Mayor of Cleveland John Hart (New Jersey politician) John Hunn (governor), Governor of Delaware John Kelly (New York politician), Tammany Hall politician John Letcher, Governor of Virginia John Lind (politician), Governor of Minnesota John Moore (Illinois), Lieutenant-Governor of Illinois John J. Patterson (1830–1912) United States senator from South Carolina John Holbrook Powers, Nebraska politician John F. Shafroth, Governor of Colorado John Sparks (Nevada politician) John Walsh (Dakota politician) John Whiteaker, Governor of Oregon John J. Williams (senator)
Elsewhere John Martin (Young Irelander), Irish politician John Tonkin, Australian politician John White (New Zealand politician)
Athletes John Anderson (outfielder), baseball player John Barham Day, jockey John Clapp (baseball), baseball player John Eubank, baseball player John Gaffney (baseball), baseball umpire John Kelly, baseball player nicknamed "Kick Kelly" and "Honest John" John McCloskey (baseball manager) John McKenna, rugby player John Morrill, baseball player John A. Warren, football player John Katan, wrestler
Fictional characters "Honest John" Worthington Foulfellow, a character in Disney's 1940 film Pinocchio a character in the 1986 An American Tail a character in Marvel Comics' S-Men a character in Belle of the Yukon the protagonist of an 1875 novel by John William De Forest
Other uses Honest John Plain, guitarist with The Boys the MGR-1 Honest John, a nuclear-capable missile John Philip Wood, Scots historian John Brown Russwurm, abolitionist John Crocker, officer in the British Army John Roberts, 18th-century Irish architect John Stephenson (coachbuilder) a 1959 single produced by Felton Jarvis Honest Jon's, a record store "Honest John", a type of open bar where patrons serve themselves and leave payment in a jar or drawer, on the honor system.