Robert Preston

Robert Preston may refer to:


 * Robert Preston (actor) (1918–1987), American actor
 * Robert Preston (military lawyer)
 * Robert Preston (American politician) (1929-2021), American politician, New Hampshire State Senator
 * Robert Preston, 1st Baron Gormanston (died 1396), Anglo-Irish nobleman, statesman and judge
 * Robert Preston (Westmorland MP), British MP for Westmorland, 1421
 * Robert Preston, 1st Viscount Gormanston (1435–1503), Irish politician
 * Sir Robert Preston, 6th Baronet (1740–1834), British MP for Dover, 1784–1790
 * Robert E. Preston (1836–1911), Director of the U.S. Mint, 1893–98
 * Robert K. Preston (1953–2009), White House intruder
 * Robert Henry Preston (1840–1926), Ontario doctor and political figure
 * Rob Preston (born 1982), American professional basketball player
 * Robert Preston (Coronation Street), fictional character in the British TV soap opera Coronation Street