| Radovan | | - | Slovak, Czech, Serbian, Croatian, Medieval Slavic | |
| RenÁTa | | RE-nah-taw (Hungarian) | Hungarian, Czech, Slovak | |
| RenÉ | | rə-NE (French) | French, German, Spanish, Slovak, Czech | |
| RiŠKo | | - | Slovak | |
| RiŠO | | - | Slovak | |
| Richard | | RICH-ərd (English), ree-SHAHR (French), RIKH-ahrt (German) | English, French, German, Czech, Slovak, Dutch, Ancient Germanic | |
| Robert | | RAH-bərt (English), ro-BER (French), RO-bert (German), RO-bərt (Dutch), RAW-bert (Polish), RO-byert (Russian), RO-beert (Russian) | English, French, Swedish, Norwegian, Danish, German, Dutch, Czech, Slovak, Polish, Russian, Slovene, | |
| Roman | | rah-MAHN (Russian), RAW-mahn (Polish) | Russian, Polish, Czech, Slovak, Ukrainian, Slovene, Croatian, German | |
| Romana | | - | Italian, Polish, Slovene, Croatian, Czech, Slovak, Late Roman | |