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 Jack Calhoun (1879–1947), American baseball player John Calhoun, creator of the 1994 Macintosh game Glider USS John C. Calhoun
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