Robert Clifford

Robert Clifford may refer to:
 * Robert Clifford, 1st Baron Clifford (1274–1314), English soldier and the first Lord Warden of the Marches
 * Robert Clifford, 3rd Baron Clifford (1305–1344), second son of Robert de Clifford, 1st Baron de Clifford
 * Robert Clifford, 4th Baron Clifford
 * Robert Clifford (MP) (died 1423), MP for Kent in 1401
 * Robert Clifford (cricketer) (1752–1811), English cricketer
 * Robert Clifford (footballer) (1883–?), Scottish footballer
 * Robert A. Clifford, American trial attorney
 * Robert L. Clifford (1924–2014), Associate Justice of the New Jersey Supreme Court
 * Robert T. Clifford (1835–1878), American soldier and Medal of Honor recipient
 * Robert W. Clifford (born 1937), American lawyer and Associate Justice of the Maine Supreme Judicial Court
 * Bob Clifford, Australian shipbuilder, entrepreneur, and businessman
 * Bob Clifford (footballer) (born 1937), Australian rules footballer
 * Bob Clifford (American football) (1913–2006), American football player and coach