Robert Gage may refer to:
Bobby Gage (1927–2005), American football player Robert Gage (equestrian) (1952–2019), American equestrian show jumping rider and coach Robert Gage (MP) (c. 1519–1587), MP for Lewes Robert Gage (ornithologist) (1813–1891), Irish ornithologist and owner of Rathlin Island Robert Merrell Gage (1892–1981), American sculptor