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) (1750–1809), at Douglas, Isle of Man John Forrest Kelly (1859–1922), scientist John Larry Kelly Jr. (1923–1965), scientist at Bell Labs John F. Kelly (professor), professor of addiction medicine John Norman Davidson Kelly, British theologian and academic Arts and entertainment Jack Kelly (actor) (1927–1992), American film and TV actor, in U.S. TV series Maverick John Kelly (actor) (1901–1947), American film actor whose credits include Meet Dr. Christian John Kelly (artist) (born 1965), Australian artist 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 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 (1934–1998), American judge John F. Kelly (born 1950), former 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),