| Ray Ventura | Ray Ventura |
| Ray Wise | Ray Wise |
| Raygun | Lasergun |
| Rayleigh number | Getal van Rayleigh |
| Rayleigh scattering | Rayleighverstrooiing |
| Rayleigh-Jeans law | Wet van Rayleigh-Jeans |
| Rayleigh-scattering | Rayleighverstrooiing |
| Rayman | Rayman serie |
| Rayman Arena | Rayman M |
| Rayman Raving Rabbids | Rayman Raving Rabbids |
| Rayman series | Rayman |
| Raymond Aron | Raymond Aron |
| Raymond Barre | Raymond Barre |
| Raymond Carver | Raymond Carver |
| Raymond Chandler | Raymond Chandler |
| Raymond Franz | Raymond Franz |
| Raymond I of Toulouse | Raymond I van Toulouse |
| Raymond II of Rouergue | Raymond I van Toulouse |
| Raymond II of Toulouse | Raymond II van Toulouse |
| Raymond II of Tripoli | Raymond II van Tripoli |
| Raymond III of Tripoli | Raymond III van Tripoli |
| Raymond IV of Toulouse | Raymond IV van Toulouse |
| Raymond IV of Tripoli | Raymond IV van Tripoli |
| Raymond Kopa | Raymond Kopa |
| Raymond Kurzweil | Raymond Kurzweil |
| Raymond Loewy | Raymond Loewy |
| Raymond Noorda | Raymond Noorda |
| Raymond of Burgundy | Raymond van Bourgondië |
| Raymond of Peñafort | Raymundus van Peñafort |
| Raymond Poincaré | Raymond Poincaré |
| Raymond Pons of Toulouse | Raymond III van Toulouse |
| Raymond Queneau | Raymond Queneau |
| Raymond V of Toulouse | Raymond V van Toulouse |
| Raymond Vahan Damadian | Raymond Damadian |
| Raymond VI of Toulouse | Raymond VI van Toulouse |
| Raymond VII of Toulouse | Raymond VII van Toulouse |
| Raymond Weil | Raymond Weil |
| Raymond-Roupen of Antioch | Raymond-Roupen |
| Raymonde de Laroche | Raymonde de Laroche |
| Raynald of Chatillon | Reinoud van Châtillon |
| Rayo Vallecano | Rayo Vallecano |
| rayon | rayon |
| Rayon Sport | Rayon Sports |
| Rayong Province | Changwat Rayong |
| Razavi Khorasan Province | Khorasan-e-Razavi |
| raze | met de grond gelijk maken |
