John Dunn
John, Jack, Johnny, Jon, or Jonathan Dunn may refer to:
Entertainment
- John Dunn , inventor of keyed Northumbrian smallpipes
- John Dunn born O'Donoghue, Australian comic actor
- John Millard Dunn, organist and choirmaster
- John Dunn , English violinist
- Johnny Dunn, American jazz trumpeter
- Jon Dunn, American musician
- John Dunn , American musician and art software developer
- John Dunn , cartoon writer for DePatie-Freleng and Looney Tunes
- John W. Dunn , American painter
- John Dunn , BBC Radio 2 DJ
Politics
- John Henry Dunn, businessman and political figure in Canada West
- John Dunn Jr. , Wisconsin politician
- John T. Dunn, U.S. Representative from New Jersey
- John Dunn Jr., South Australia politician
- John Freeman Dunn, English banker and stockbroker, barrister and Liberal Party politician
- John Dunn, British Conservative politician
Religion
- John Woodham Dunn, Anglican vicar of Warkworth, Northumberland
- John Joseph Dunn, American prelate of the Catholic Church
Sports
- Jack Dunn , minor league baseball owner and manager
- John Dunn , English cricketer
- John Dunn , English football inside right
- John Dunn, English footballer for Aston Villa and Charlton Athletic
- Jack Dunn, English football player
- Johnny Dunn , Australian rules footballer for Collingwood
- Jon Dunn, American football player
- Jack Dunn, American soccer player
- Jack Dunn , British figure skater
- John Dunn
- John Dunn, American football coach and former player
- John Dunn, American football player and team owner
- Jack Dunn , New Zealand rugby union player
Other
- John Dunn, coffee planter and lawyer, recipient of a 1765 land grant in Putnam County, Florida
- John Dunn , flour miller, parliamentarian, and philanthropist in South Australia
- John Ainsworth Dunn, furniture manufacturer in Massachusetts
- John Robert Dunn, Scottish settler in South Africa
- John Dunn , Australian bush ranger
- John Dunn , explorer of the Canadian Arctic
- John "Pudgy" Dunn, St. Louis gangster
- John M. Dunn, American mobster, executed in 1949
- John Dunn , professor of political theory at the University of Cambridge
- John Dunn , president of Western Michigan University
- John Asher Dunn, American linguist
- John W. Dunn, American architect
- Jon Michael Dunn, American educator
- John Thomas Dunn , English chemist