John Kelly
John or Jack Kelly may refer to:
People
Academics and scientists
- John Kelly (engineer), Irish professor, former registrar of University College Dublin
- John Kelly (scholar), at Douglas, Isle of Man
- John Forrest Kelly, scientist
- John Larry Kelly Jr., scientist at Bell Labs
- John F. Kelly (professor), professor of addiction medicine
- John Norman Davidson Kelly, British theologian and academic
- John E. Kelly III, American executive at IBM
Arts and entertainment
- Jack Kelly (actor), American film and TV actor, in American TV series Maverick
- John Kelly (actor), American film actor whose credits include Meet Dr. Christian
- John Kelly (artist), Australian artist
- John Kelly (author), British author and illustrator
- John Kelly, member of the Doctor Who Restoration Team
- John Kelly (Irish broadcaster), Irish radio broadcaster and presenter of The View
- John Liddell Kelly, British journalist and poet
- John Melville Kelly, American/Hawaiian artist
- John Kelly (performance artist), American performance artist, visual artist and writer
- Johnny Kelly, American drummer
- John Kelly, director of Academy Award-nominated animated short ''Retirement Plan''
Politicians
United Kingdom
- John Kelly (Sinn Féin politician), Northern Irish republican leader
- John Richards Kelly, British member of parliament for Camberwell North, 1886–1892
- Basil Kelly, Northern Irish Unionist politician
United States
- Jack Kelly (politician), former Philadelphia Republican councilman-at-large
- John Kelly (New York politician), politician in Tammany Hall, U.S. representative from New York
- John B. Kelly (Boston politician), Boston City councilor
- John David Kelly, American judge
- John F. Kelly, former White House chief of staff, United States Marine Corps general, and Secretary of Homeland Security
- John F. Kelly (Michigan politician), judge advocate general and state senator for Michigan
- John R. Kelly, Republican member of the West Virginia House of Delegates
- John V. Kelly, American Republican Party politician in New Jersey
- John Kelly (Brooklyn politician), American politician from New York
Other countries
- John Kelly (bailiff), member of the House of Keys and high bailiff of Castletown, Isle of Man
- John Kelly (Canadian politician), municipal councillor in Edmonton, Alberta, Canada
- John Kelly (New South Wales politician), Australian politician
- John Kelly (Roscommon politician), Irish Labour Party Senator
- John M. Kelly (politician), Irish Fine Gael politician, cabinet member, legal scholar, and novelist
- John Robert Kelly, farmer and politician in colonial South Australia
Military personnel
- John Kelly of Killanne, leader of the Irish Rebellion of 1798 in Wexford
- John Sherwood-Kelly, adventurer and soldier awarded the Victoria Cross
- John Kelly (Royal Navy officer), British admiral of the fleet
- John D. Kelly (Korean War soldier), USMC, Korean War Medal of Honor recipient
- John D. Kelly (World War II soldier), American soldier, World War II Medal of Honor recipient
- John F. Kelly, White House Chief of Staff, United States Marine Corps general, and Secretary of Homeland Security
- John H. Kelly, Confederate brigadier general
- John J. Kelly, USMC, World War I, Army Medal of Honor and Navy Medal of Honor recipient
Sportspeople
Association football
- Jack Kelly (English footballer), English footballer with clubs including Burnley and Leeds United
- John Kelly (footballer, born 1909), English footballer for York City
- John Kelly (footballer, born 1913), English footballer for Bradford City
- John Kelly (footballer, born 1921), Scottish international football player
- John Kelly (footballer, born 1935), Scottish footballer for Crewe Alexandra
- John Kelly (footballer, born 1960), Anglo-Irish soccer player whose clubs included Tranmere Rovers, Preston
- John Paul Kelly (football), Irish footballer
American football
- John Kelly (offensive lineman), American football player
- John Kelly (running back), American football running back
- Shipwreck Kelly (American football), American football player
- Jack Kelly (American football), American football player
Rugby football
- John Kelly (rugby, born 1917), English former rugby union and professional rugby league footballer
- John Kelly (rugby union, born 1974), Irish rugby union player
- John Kelly (rugby union, born 1995), English rugby union player
- Jack Kelly (rugby union, born 1926), New Zealand rugby union player
- Jack Kelly (rugby union, born 1997), Irish rugby union player
Other sports
- Kick Kelly, American baseball player and umpire, boxing referee and gambling operator
- Jack Kelly (Australian footballer), Australian rules footballer for St Kilda
- John Kelly (boxer), Northern Irish boxer
- John Kelly (catcher), 1879–1884 baseball player
- John Kelly (equestrian), Australian Olympic equestrian
- John Kelly (golfer), American amateur golfer
- John Kelly (Lancashire and Derbyshire cricketer), English cricketer
- John Kelly (Nottinghamshire cricketer), English cricketer
- John Kelly (outfielder), 1907 baseball player
- John Kelly (racewalker), Irish Olympic athlete
- John Kelly (triple jumper), American triple and long jumper, 1959 NCAA runner-up for the Stanford Cardinal track and field team
- John Kelly (sportscaster), ice hockey sportscaster
- John Kelly (Tipperary hurler), Irish retired sportsperson
- Jack Kelly Jr. (rower), John B. Kelly Jr., an Olympic rower, Philadelphia councilman, head of the US Olympic Committee and brother of Grace Kelly
- Jack Kelly Sr. (rower), John B. Kelly Sr., Olympic rower, father of actress, Grace Kelly and John B. Kelly Jr.
- Jack Kelly (hurler), Irish hurler
- John Kelly (runner), American endurance athlete
- John-Paul Kelly (ice hockey), Canadian ice hockey player
Other people
- John Kelly, British architect specialising in churches, see Kelly & Birchall
- John Kelly (coal merchant), Irish businessperson, philanthropist, shipowner and coal merchant
- John Kelly (diplomat), British diplomat and governor of the Turks and Caicos Islands
- John Kelly (minister), Congregational minister
- John A. Kelly, American investigative journalist in Boston, Massachusetts
- Gregory Kelly (bishop), American Roman Catholic bishop
- John Hall Kelly, former Canadian high commissioner to Ireland
- John Hubert Kelly, U.S. diplomat
- John P. Kelly (clergyman), convening apostle of the International Coalition of Apostolic Leaders
- Jack Kelly, founder of British news organization TLDR News
Characters
- John Clark (Ryanverse character), born John Terence Kelly, character in a number of Tom Clancy novels
- Jack Kelly, character in the 1992 Disney film Newsies
- Jack Kelly, lawyer uncle in It's Always Sunny in Philadelphia
- John Kelly, character on the TV series NYPD Blue, played by David Caruso
- John Kelly, character on the TV series Brooklyn Nine-Nine, played by Phil Reeves
Other
- John Kelly Girls' Technology College
- John Kelly Limited, shipowner, coal and oil merchant
- John P. Kelly (album), a 2001 album by rapper Mr. Cheeks