The Republican candidates were Vander Plaats, state politician Rod Roberts, and former governor Terry Branstad.
Rod Stewart | Julia Roberts | Frederick Roberts, 1st Earl Roberts | Rod Blagojevich | Rod Serling | Eric Roberts | Rod Taylor | Rod Laver | Rod Marsh | Oral Roberts | John Roberts | Oral Roberts University | Chris Roberts | Tom Roberts | Ian Roberts | Doris Roberts | Roberts | Nora Roberts | National Hot Rod Association | Lord Roberts | Hot Rod Circuit | Mary Roberts Rinehart | Jake Roberts | Ian Roberts (actor) | Dean Roberts (musician) | Dean Roberts | Rod Hull | Marcus Roberts | Hank Roberts | Rod Argent |