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[edit]

• 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)