| Reiner | | RIE-ner (German) | German, Ancient Germanic | |
| Reinhard | | - | German, Ancient Germanic | |
| Reinhold | | - | German, Ancient Germanic | |
| Rhode | | - | Ancient Greek, Biblical Greek, Biblical Latin | |
| Richard | | RICH-ərd (English), ree-SHAHR (French), RIKH-ahrt (German) | English, French, German, Czech, Slovak, Dutch, Ancient Germanic | |
| Ricohard | | - | Ancient Germanic | |
| Rocco | | ROK-ko (Italian) | Italian, Ancient Germanic | |
| Rochus | | - | German, Dutch, Ancient Germanic (Latinized) | |
| Romilda | | - | Italian, Ancient Germanic | |
| Roshanak | | - | Persian, Ancient Persian | |
| Roslindis | | - | Ancient Germanic | |
| Rosmunda | | - | Ancient Germanic | |
| Rothaid | | - | Ancient Germanic | |
| Roxana | | rahk-SAN-ə (English), rok-SAHN-ah (Spanish) | English, Spanish, Romanian, Ancient Greek (Latinized) | |
| Roxane | | rok-SAHN (French), rahk-SAN (English) | French, English, Ancient Greek | |