| Regen | Regen |
| Regensberg | Regensberg |
| Regensdorf | Regensdorf |
| Reggae | Reggae |
| Reggaetón | Reggaeton |
| Reggatta de blanc | Reggatta de Blanc |
| Reggie Miller | Reggie Miller |
| Reggina Calcio | Reggina Calcio |
| Reggio de Calabre | Reggio Calabria |
| Reggio di Calabria | Reggio di Calabria |
| Reggio Emilia | Reggio Emilia |
| Regia Marina | Regia Marina |
| regimber | buck |
| Regimber contre | Balk at |
| Regin | Regin |
| Regina Cœli | Regina Coeli |
| Regina Spektor | Regina Spektor |
| Reginald Arvizu | Reginald Arvizu |
| Reginald Fessenden | Reginald Fessenden |
| Reginald Fils-Aime | Reggie Fils-Aime |
| Reginald Pole | Reginald Cardinal Pole |
| Reginald Robinson Lee | Reginald Lee |
| Reginald Walker | Reggie Walker |
| Regio-Tour | Regio-Tour |
| Regiomontanus | Regiomontanus |
| Region active temporaire | Ephemeral active regions |
| Region C II | C II regions |
| Region Code Enhancement | DVD region code |
| Region D | D region |
| Region E | E region |
| Region F | F region |
| Region H I | H I regions |
| Region H II | H II regions |
| Region H II compacte | Compact H II regions |
| Region M | M regions |
| Region polaire | Polar regions |
| Regionalexpress | RegionalExpress |
| Regionalliga Nord | Regionalliga |
| Regionalliga Sud | Regionalliga |
| Regis | Regis |
| Register Transfer Level | Register transfer level |
| Registrar | Domain name registrar |
| registre | register |
| Registre de commerce | German Trade Register |
| registre des émissions | emission register |
| Registre du commerce et des sociétés | Registrar of companies |
