John Delaney or Delany may refer to:

People

Politicians John Delaney (Bahamian lawyer) (born 1964), Bahamian lawyer and former Attorney General and Minister of Legal Affairs John Delaney (Maryland politician) (born 1963), American attorney, businessman, politician, and former 2020 Democratic presidential candidate John Delaney (Florida politician) (born 1956), American lawyer, politician and university administrator John J. Delaney (1878–1948), American businessman, lawyer and U.S. Representative John Delaney (meteorologist) (1811–1883), Irish-Canadian civil servant, meteorologist and political figure in Newfoundland John DeLany (Wisconsin lawyer) (1824–1882), Wisconsin lawyer, newspaperman and state representative

Sports John A. Delaney (hurler) (born 1986), Irish hurler from County Laois John Delaney (baseball) (born 1985), American college baseball coach John Delaney (football administrator) (born 1967), Irish former sports administrator John Delaney (footballer) (1942–2026), English footballer

Others John Delaney (businessman) (1969–2011), Irish businessman and founder of trading exchange website Intrade John C. Delaney (1848–1915), American Civil War soldier John Delany (luthier) (1769–1838), Irish musical instrument and violin maker John Bernard Delany (1864–1906), American Roman Catholic bishop John Albert Delany (1852–1907), Australian conductor and composer

Other John A. Delaney Student Union John Delaney 2020 presidential campaign

See also Jack Delaney (1900–1948), Canadian boxer