John Carr may refer to:

Politicians

• John Carr (Indiana politician) (1793–1845), American politician from Indiana
• John Carr (Australian politician, born 1819) (1819–1913), member of the South Australian House of Assembly, 1865–1884
• John H. Carr (1849–?), member of the Arkansas House of Representatives
• John Carr (Australian politician, born 1871) (1871–1929), unionist and member of the South Australian Legislative Council, 1915–1929
• John W. Carr (1874–1932), American politician from North Dakota
• John Carr, pseudonym of L. E. Katterfeld (1881–1974), American socialist
• John C. Carr (mayor) (1891/2–1967), mayor of Medford, Massachusetts
• John B. Carr (1906–1969), Massachusetts state politician

Sportspeople

• Johnny Carr (1887–?), American baseball player
• John Carr (cricketer, born 1892) (1892–1963), English cricketer and British Army officer
• John Carr (cricketer, born 1963), English cricketer and cricket administrator
• Cornelius Carr (John Thomas Carr, born 1969), English boxer

Writers and editors

• John Carr (writer, born 1722) (1722–1807), British schoolmaster and writer
• Sir John Carr (travel writer) (1772–1832), English barrister and travel writer
• John Dickson Carr (1906–1977), American author of detective stories
• John C. Carr (editor) (1929–1999), American editor
• John F. Carr (born 1944), American book editor

Others

• John Carr (merchant), 16th-century English merchant and founder of Queen Elizabeth's Hospital School, Bristol
• John Carr (architect) (1723–1807), English architect
• John Carr (Medal of Honor) (1847–1891), decorated for action during the American Indian Wars
• Walter Carr (physician) (John Walter Carr, 1862–1942), British physician and surgeon
• John Carr (Irish trade unionist) (born 1945/46), Irish trade union leader
• John Carr (military lawyer), American prosecutor at the Guantanamo Bay detainment camp
• John Carr, a.k.a. Oliver Stone, a fictional character created by David Baldacci, a member of the Camel Club

See also

• Jack Carr (disambiguation)