Starting with letter R
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 541 | Rhioganedd | Welsh | Legendary a prince of Ireland. | M | |
| 542 | Rhisiart | Welsh | Welsh form of Richard 'strong ruler'. | M | |
| 543 | Rhobert | Welsh | Welsh form of Robert 'brilliant renown'. | M | |
| 544 | Rhodes | Biblical | A rose | M | |
| 545 | Rhodes | English | Lives near the crucifix. | M | |
| 546 | Rhoecus | Greek | Saved Hamadryd. | M | |
| 547 | Rhun | Welsh | Legendary son of Beli. | M | |
| 548 | Rhuvawn | Welsh | Legendary son of Deorthach. | M | |
| 549 | Rhyawdd | Welsh | Legendary son of Morgant. | M | |
| 550 | Rhychdir | Welsh | From the plow land. | M | |
| 551 | Rhyd | Welsh | From the ford. | M | |
| 552 | Rhys | Welsh | Ardour; rashness. | M | |
| 553 | Riaasat | Muslim | Variant of Riasat: Leadership. State.. | M | |
| 554 | Riagan | Irish | Little king. | M | |
| 555 | Rian | Irish | Kingly. | M | |
| 556 | Riasat | Muslim | Leadership. State.. | M | |
| 557 | Ribai | Biblical | Strife. | M | |
| 558 | Riblah | Biblical | Quarrel, greatness to him. | M | |
| 559 | Ric | Italian | Powerful; strong ruler. Variant of Richard. | M | |
| 560 | Ricadene | English | Lives in the ruler. | M | |