| Rocky | | RAH-kee | English | |
| Rod | | RAHD | English | |
| Roddy | | RAH-dee (English) | English, Scottish | |
| Roderick | | RAHD-ə-rik (English), RAHD-rik (English) | English, Scottish, Welsh | |
| Rodge | | RAHJ | English | |
| Rodger | | RAH-jər | English | |
| Rodney | | RAHD-nee | English | |
| Rodolph | | - | English (Rare), French (Rare) | |
| Roger | | RAH-jər (English), ro-ZHE (French) | English, French, Catalan, Swedish, Norwegian, Danish, German, Dutch | |
| Rohese | | - | Medieval English | |
| Rohesia | | - | Medieval English (Latinized) | |
| Roland | | RO-lənd (English), ro-LAWN (French), RO-lawnd (Hungarian) | English, French, German, Swedish, Dutch, Hungarian, Medieval French | |
| Rolf | | RAWLF (German) | German, Swedish, Norwegian, Danish, English | |
| Rolland | | RO-lənd | English | |
| Rollo | | RAHL-o | English | |