John Babcock (disambiguation)

John Babcock (1900–2010) was the last known surviving veteran of the Canadian military to have served in the First World War.

John Babcock may also refer to:
 * John C. Babcock (1836–1908), American amateur rower and Civil War secret service member
 * John B. Babcock (1843–1909), Medal of Honor recipient
 * John Babcock (wrestler) (1872–1936), American Olympic wrestler