John Sweeney or Sweeny may refer to:

Politics and law

  • John Sweeney (Australian politician) (1863–1947), member of the New South Wales Legislative Assembly
  • John Sweeney (Canadian politician) (1931–2001), Canadian, politician and educator
  • John Sweeney (labor leader) (1934–2021), American president of AFL-CIO
  • John Sweeney (Ohio politician) (1924–2016), member of the Ohio House of Representatives
  • John A. Sweeney (born 1941), American politician in the New Jersey General Assembly
  • John Bernard Sweeney (1911–1981), judge of the Australian Industrial Court
  • John E. Sweeney (born 1955), U.S. Representative from New York
  • John James Sweeney (born 1927), Pennsylvania politician
  • John Sweeny (judge) (1949–2025), American judge in New York

Criminals

  • John Sweeney, British serial killer, subject of the book Living with a Serial Killer (2017) and TV adaptation Until I Kill You (2024)
  • John Thomas Sweeney (born 1956), former boyfriend and killer of American actress Dominique Dunne

Writers

  • John Sweeney (journalist) (born 1958), British investigative journalist and writer
  • John A. H. Sweeney (1930–2007), American museum curator and author
  • John J. Sweeney (professional speaker) (born 1965), American keynote speaker and author

Other people

  • John Sweeney (footballer), Scottish footballer, played for Dunfermline Athletic FC in the 1961 Scottish Cup Final
  • John Sweeney (police officer) of the Metropolitan Police Service, detective superintendent in charge of Operation Withern
  • John Sweeny (bishop) (1821–1901), Canadian Roman Catholic bishop
  • John Sweeny, settler for whom the town of Sweeny, Texas, US, was named

See also

  • John Swinney (born 1964), Scottish politician