John C. Calhoun was the 7th vice president of the United States.

John Calhoun may also refer to:

  • John Calhoun (diver) (1925–2010), American Olympic diver
  • John Calhoun (publisher) (1808–1859), American publisher and politician
  • John A. Calhoun (1918–2000), American diplomat
  • John B. Calhoun (1917–1995), ethologist noted for his 1947 Norway rat and 1970s mice population dynamic studies
  • John C. Calhoun (police officer), Pittsburgh Police Chief in the 1920s
  • John Coleman Calhoun (1871–1950), politician in Alberta, Canada
  • John C. Calhoun II (1843–1918), American planter and businessman
  • John H. Calhoun (1899–1988), NAACP leader and Atlanta City Council member
  • John R. Calhoun, merchant and political figure on Prince Edward Island in the 1870s
  • John William Calhoun, mathematics professor, University of Texas comptroller and president in the 1930s
  • John Calhoun, creator of the 1994 Macintosh game Glider PRO

See also

  • John Calhoon (1793–1852), United States Representative from Kentucky
  • John Calhoun Bell (1851–1933), United States Representative
  • John Calhoun Johnson (died 1876), lawyer and rancher
  • John Calhoun Phillips (1870–1943), governor of Arizona
  • John Calhoun Sheppard (1850–1931), governor of South Carolina
  • USS John C. Calhoun (SSBN-630)