John Kelly

Academics and scientists

• John Kelly (engineer) (1935-2022), Irish professor, registrar of University College Dublin
• John Kelly (scholar) (1750-1809), at Douglas, Isle of Man
• John E. Kelly III, American executive at IBM
• John F. Kelly (professor), professor of addiction medicine
• John Forrest Kelly (1859-1922), scientist
• John Larry Kelly Jr. (1923-1965), scientist at Bell Labs
• John Norman Davidson Kelly, British theologian and academic

Arts and entertainment

• Jack Kelly (actor) (1927-1992), American film and TV actor, in American TV series Maverick
• John Kelly (actor) (1901-1947), American film actor whose credits include Meet Dr. Christian
• John Kelly (Australian artist) (born 1965)
• John Kelly (Irish artist) (1932-2006)
• John Kelly (author) (born 1964), British author and illustrator
• John Kelly (born 1978), member of the Doctor Who Restoration Team
• John Kelly (Irish broadcaster) (born 1965), Irish radio broadcaster and presenter of The View
• John Liddell Kelly (1850-1925), British journalist and poet
• John Melville Kelly (1879-1962), American/Hawaiian artist
• John Kelly (performance artist) (born 1959), American performance artist, visual artist and writer
• Johnny Kelly (born 1968), American drummer
• John Kelly (born 1980), director of Academy Award-nominated animated short Retirement Plan
• John David Kelly (artist) (1862-1958), Canadian painter, printmaker and artist-illustrator
• John Kelly (journalist) (1943-2022), Irish journalist and author

Politicians

United Kingdom

• John Kelly (Sinn Féin politician) (1936-2007), Northern Irish republican leader
• John Richards Kelly (1844-1922), British member of parliament for Camberwell North, 1886-1892
• Basil Kelly (John William Basil Kelly, 1920-2008), Northern Irish Unionist politician

United States

• Jack Kelly (politician) (born c. 1939), former Philadelphia Republican councilman-at-large
• John Kelly (New York politician) (1822-1886), politician in Tammany Hall, U.S. representative from New York (1855-1858)
• John B. Kelly (Boston politician) (died 1969), Boston City councilor
• John David Kelly (judge) (1934-1998), American judge
• John F. Kelly (born 1950), White House chief of staff, United States Marine Corps general, and secretary of homeland security
• John F. Kelly (Michigan politician) (1949-2018), judge advocate general and state senator for Michigan
• John R. Kelly (born 1946), Republican member of the West Virginia House of Delegates
• John V. Kelly (1926-2009), American Republican Party politician in New Jersey
• John Kelly (Brooklyn politician) (1855-1900), American politician from New York

Other countries

• John Kelly (bailiff) (c. 1793-1854), member of the House of Keys and high bailiff of Castletown, Isle of Man
• John Kelly (Canadian politician) (1852-1934), municipal councillor in Edmonton, Alberta, Canada
• John Kelly (New South Wales politician) (1840-1896), Australian politician
• John Kelly (Roscommon politician) (born 1960), Irish Labour Party Senator
• John M. Kelly (politician) (1931-1991), Irish Fine Gael politician, cabinet member, legal scholar, and novelist
• John Robert Kelly (1849-1919), farmer and politician in colonial South Australia

Military personnel

• John Kelly of Killanne (died 1798), leader of the Irish Rebellion of 1798 in Wexford
• John Sherwood-Kelly (1880-1931), adventurer and soldier awarded the Victoria Cross
• John Kelly (Royal Navy officer) (1871-1936), British admiral of the fleet
• John D. Kelly (Korean War soldier) (1928-1952), USMC, Korean War Medal of Honor recipient
• John D. Kelly (World War II soldier) (1923-1944), American soldier, World War II Medal of Honor recipient
• John F. Kelly (born 1950), White House chief of staff, United States Marine Corps general, and secretary of homeland security
• John H. Kelly (1840-1864), Confederate brigadier general
• John J. Kelly (1898-1957), USMC, World War I, Army Medal of Honor and Navy Medal of Honor recipient

Sportspeople

Association football

• Jack Kelly (English footballer) (1913-2000), English footballer with clubs including Burnley and Leeds United
• John Kelly (footballer, born 1909) (1909-?), English footballer for York City
• John Kelly (footballer, born 1913) (1913-?), English footballer for Bradford City
• John Kelly (footballer, born 1921) (1921-2001), Scottish international football player (Barnsley)
• 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 (footballer) (born 1987), Irish footballer

American football

• John Kelly (offensive lineman) (1944-2015), American football player
• John Kelly (running back) (born 1996), American football running back
• Shipwreck Kelly (American football) (John Simms Kelly, 1910-1986), American football player
• Jack Kelly (American football) (born 2003), American football player

Rugby football

• John Kelly (rugby, born 1917) (1917-?), English 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) (1926-2002), New Zealand rugby union player
• Jack Kelly (rugby union, born 1997), Irish rugby union player

Other sports

• Kick Kelly (John O. Kelly, 1856-1926), American baseball player and umpire, boxing referee and gambling operator
• Jack Kelly (swimmer) (born 2003), American and Irish professional swimmer
• Jack Kelly (Australian footballer) (1916-1971), Australian rules footballer for St Kilda
• John Kelly (boxer) (1932-2016), Northern Irish boxer
• Nonpareil Jack Dempsey (John Edward Kelly, 1862-1895), Irish-born middleweight boxer
• John Kelly (catcher) (1859-1908), 1879-1884 baseball player
• John Kelly (equestrian) (born 1930), Australian Olympic equestrian
• John Kelly (golfer) (born 1984), American amateur golfer
• John Kelly (Lancashire and Derbyshire cricketer) (1922-1979), English cricketer
• John Kelly (Nottinghamshire cricketer) (1930-2008), English cricketer
• John Kelly (outfielder) (1879-1944), 1907 baseball player
• John Kelly (race walker) (1929-2012), Irish Olympic athlete
• John Kelly (triple jumper) (born c. 1938), American triple and long jumper, 1959 NCAA runner-up for the Stanford Cardinal track and field team
• John Kelly (sportscaster) (born 1960), ice hockey sportscaster
• John Kelly (Tipperary hurler) (born 1948), Irish retired sportsperson
• Jack Kelly Jr. (rower) (1927-1985), John B. Kelly Jr., an Olympic rower, Philadelphia councilman, head of the US Olympic Committee and brother of Grace Kelly
• Jack Kelly Sr. (rower) (1889-1960), John B. Kelly Sr. (nicknamed "Jack"), Olympic rower, father of actress, Grace Kelly and John B. Kelly Jr.
• Jack Kelly (hurler) (born 1996), Irish hurler
• John Kelly (runner) (born 1984), American endurance athlete
• John-Paul Kelly (ice hockey) (born 1959), Canadian ice hockey player
• Johnny Kelly (hurler) (born 1971), Irish hurler and hurling manager

Other people

• John Kelly (1840-1904), British architect specialising in churches, see Kelly & Birchall
• John Kelly (coal merchant) (1840-1904), Irish businessperson, philanthropist, shipowner and coal merchant
• John Kelly (diplomat) (born 1941), British diplomat and governor of the Turks and Caicos Islands
• John Kelly (minister) (1801-1876), Congregational minister
• John Kelly (bishop) (1915-1987), Australian bishop of the Catholic Church
• John A. Kelly (1943-1978), American investigative journalist in Boston, Massachusetts
• Gregory Kelly (bishop) (John Gregory Kelly, born 1956), American Roman Catholic bishop
• John Hall Kelly (1879-1941), Canadian high commissioner to Ireland
• John Hubert Kelly (1939-2011), U.S. diplomat
• John P. Kelly (clergyman), convening apostle of the International Coalition of Apostolic Leaders
• John Trevor Kelly (1914-1939), Australian convicted murderer
• Jack Kelly, founder of British news organization TLDR News

• 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 (NYPD Blue), 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

• John Kelly Girls' Technology College
• John Kelly Limited, shipowner, coal and oil merchant
• John P. Kelly (album), a 2001 album by rapper Mr. Cheeks