James Herndon may refer to:

• James Herndon (media psychologist) (born 1952), American media psychologist
• James Herndon (writer) (1926–1990), American writer and educator

• United States v John (1978)
• United States v. John (2010)
• United States v. John Bailey
• United States v. John B Mills
• United States v. John (disambiguation)
• United States v Johns
• United States v Johnson (1863)
• United States v. Johnson (1864)
• United States v Johnson (1864)
• United States v Johnson (1899)
• United States v Johnson (1911)
• United States v Johnson (1944)
• United States v Johnson (1946)
• United States v Johnson (1966)
• United States v Johnson (1968)
• United States v Johnson (1982)
• United States v Johnson (1987)
• United States v Johnson (2000)
• United States v Johnson, 319 U.S. 302 (1943)
• United States v. John Tyler
• United States v. John Walker Lindh
• United States v. Jones
• United States v. Jones (2012)
• United States v Jones (2012)
• United States v. Jones, Antoine