| Radhika | | - | Hinduism, Indian, Hindi, Marathi, Gujarati, Malayalam, Kannada, Telugu, Tamil | |
| Radimir | | - | Russian | |
| Radka | | - | Czech, Bulgarian | |
| Radko | | - | Bulgarian, Czech | |
| Radmila | | - | Serbian, Croatian, Czech | |
| Radmilo | | - | Serbian | |
| Radobod | | - | Ancient Germanic | |
| Radomir | | - | Serbian, Russian, Bulgarian, Medieval Slavic | |
| Radomira | | - | Serbian | |
| Radoslav | | rah-dah-SLAHF (Russian) | Czech, Serbian, Croatian, Bulgarian, Macedonian, Russian, Medieval Slavic | |
| Radoslava | | rah-dah-SLAH-vah (Russian) | Czech, Bulgarian, Russian, Serbian, Croatian, Macedonian, Medieval Slavic | |
| Radovan | | - | Slovak, Czech, Serbian, Croatian, Medieval Slavic | |
| Radu | | - | Romanian | |
| Radulf | | - | Ancient Germanic | |
| Rafa | | RAH-fah | Spanish | |