John or Jon Holmes may refer to:
People
Arts and entertainment
John Holmes (actor) (1944–1988), American pornographic film star and suspect in the Wonderland Murders case John Holmes (composer) (died 1629), English cathedral musician and Renaissance composer John Holmes (poet) (1904–1962), American poet John Clellon Holmes (1926–1988), American Beat poet, novelist and essayist John Eric Holmes (1930–2010), American author and promoter of fantasy role-playing games John W. Holmes (film editor) (1917–2001), American film editor, nominated at the 44th Academy Awards Jon Holmes (born 1969), British comedy writer and broadcaster
Diplomacy
John Holmes (British diplomat) (born 1951), British diplomat
John T. Holmes, Canadian ambassador to Indonesia and East Timor
John Wendell Holmes (1910–1988), Canadian diplomat and academic
Education
John Holmes (geographer), Australian professor of geography in University of Queensland John Holmes (schoolmaster) (1703–1760), English schoolmaster John Clough Holmes (1809–1887), American merchant and progenitor of the Agricultural College of the State of Michigan
Military or mercenary service
John Holmes (British Army officer) (born 1949), British general
John Holmes (mercenary), 19th century Anglo-Indian mercenary
John Holmes (Royal Navy officer) (1640?–1683), English naval officer
Politics
John Holmes (by 1529 – 1583), MP for Ripon and Boroughbridge
John Holmes (died 1556 or later), MP for Rye
John Holmes (Maine politician) (1773–1843), member of the U.S. Senate and U.S. House of Representatives from Maine John Holmes (New Zealand politician) (1831–1910), New Zealand Member of Parliament John Holmes (Nova Scotia politician) (1789–1876), Canadian Senator John Holmes (Ontario politician) (1828–1879), Canadian MP John Bee Holmes (1760–1827), intendant (mayor) of Charleston, South Carolina John Edwin Holmes (1809–1863), first Lieutenant Governor of Wisconsin John Robert Holmes (1927–2011), Canadian MP John Holmes (Jamaican politician), planter, slave-owner and member of the House of Assembly of Jamaica
Religion
John Holmes (bishop) (died 1904), Anglican colonial bishop
John Andrew Holmes (1874-1937), American churchman & author
John Haynes Holmes (1879–1964), American churchman and pacifist
John McClellan Holmes (1834–1911), Christian minister and author
Sports
John Holmes (footballer) (1869–?), English footballer
Jackie Holmes (John Holmes, 1920–1995), American race car driver
Rodney Holmes (John Rodney Reay Holmes, 1924–1980), English cricketer
Johnny Holmes, American baseball player of the 1940s
John Holmes (rugby league) (1952–2009), English former rugby league footballer
J. B. Holmes (John Bradley Holmes, born 1982), American golfer
Other fields
John Holmes (essayist) (1815–1894), radical campaigner in Leeds
John Holmes (Messenger of the Plymouth Court) (1603–?), Plymouth Colony settler and official John Henry Holmes (1857–1935), English electrical engineer, inventor and Quaker John Dalrymple Edgar Holmes, British veterinary scientist and bacteriologist
Fictional characters
Auguste Lupa, also known as John Hamish Adler Holmes, a fictional character in two pastiche novels by author John Lescroart
See also
John Cecil Holm (1904–1981), American dramatist
John Holm (born 1947), Canadian politician
Jack Holmes (disambiguation) Jonathan Holmes (disambiguation)