| Robert Greene | Robert Greene |
| Robert Grossetête | Robert Grosseteste |
| Robert Guiscard | Robert Guiscard |
| Robert Guérin | Robert Guérin |
| Robert Haab | Robert Haab |
| Robert Hanssen | Robert Hanssen |
| Robert Harding Whittaker | Robert Whittaker |
| Robert Harris | Robert Harris |
| Robert Harry Lowie | Robert Lowie |
| Robert Hayes | Bob Hayes |
| Robert Hermann Schomburgk | Robert Hermann Schomburgk |
| Robert Herrick | Robert Herrick |
| Robert Hofstadter | Robert Hofstadter |
| Robert Hooke | Robert Hooke |
| Robert Horstink | Robert Horstink |
| Robert Hue | Robert Hue |
| Robert Huth | Robert Huth |
| Robert Hübner | Robert Hübner |
| Robert Ier | Robert I |
| Robert Ier de Bar | Robert I of France |
| Robert Ier de Dreux | Robert I of Dreux |
| Robert Ier de France | Robert I of France |
| Robert Ier de Meaux | Robert of Vermandois |
| Robert Ier de Naples | Robert of Naples |
| Robert Ier du Saint-Empire | Rupert of Germany |
| Robert II | Robert II |
| Robert II de Dreux | Robert II of Dreux |
| Robert II de France | Robert II of France |
| Robert II de Namur | Robert II of France |
| Robert III de Dreux | Robert III of Dreux |
| Robert III de Flandre | Robert III of Flanders |
| Robert III de La Marck de Bouillon | Robert Fleuranges III de la Marck |
| Robert IV de Dreux | Robert IV of Dreux |
| Robert IV de Sablé | Robert IV de Sablé |
| Robert Jay Lifton | Robert Jay Lifton |
| Robert Johann Koldewey | Robert Koldewey |
| Robert Johnson | Robert Johnson |
| Robert Jordan | Robert Jordan |
| Robert Jules Trumpler | Robert Julius Trumpler |
| Robert Kagan | Robert Kagan |
| Robert Kajanus | Robert Kajanus |
| Robert Keohane | Robert Keohane |
| Robert Kerr | Robert Kerr |
| Robert Kipkoech Cheruiyot | Robert Kipkoech Cheruiyot |
| Robert Koch | Robert Koch |
| Robert Korzeniowski | Robert Korzeniowski |
| Robert Kotcharian | Robert Kocharyan |
| Robert Kovač | Robert Kovač |
