Robert Caldwell (disambiguation)

Robert Caldwell (1814–1891) was a British missionary and linguist.

Robert Caldwell may also refer to:


 * Robert Caldwell (academic) (1843–1914), Master of Corpus Christi College, Cambridge
 * Robert Porter Caldwell (1821–1885), American representative from Tennessee
 * Robert Caldwell (Australian politician) (1843–1909), South Australian politician
 * Robert Caldwell (Wisconsin politician) (1866–1950), American farmer, businessman, and politician
 * Robert Caldwell (footballer) (born 1909), English footballer
 * Robert R. Caldwell, American theoretical physicist
 * Bobby Caldwell (1951–2023), American musician
 * Bobby Caldwell (drummer), American drummer
 * Dr. Robert Caldwell, a character on St. Elsewhere portrayed by Mark Harmon