| Petra | | PET-rah (Finnish), PET-rə (English) | German, Dutch, Czech, Slovak, Slovene, Croatian, Hungarian, Swedish, Finnish, English | |
| Petronela | | - | Romanian, Slovak, Polish | |
| 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 | |
| SÁRa | | SAH:-rah (Czech) | Hungarian, Czech, Slovak | |
| Samuel | | SAM-yoo-əl (English), SAM-yəl (English), sah-MWEL (Spanish), SAH-moo-el (Swedish, Finnish) | English, French, German, Dutch, Spanish, Portuguese, Polish, Czech, Slovak, Swedish, Norwegian, Dani | |
| Silvester | | sil-VES-tər (English) | Dutch, English, Slovene, Slovak, German, Late Roman | |
| Silvia | | SEEL-vyah (Italian), SEEL-byah (Spanish) | Italian, Spanish, Portuguese, Romanian, Slovak, English, German, Late Roman, Roman Mythology | |