| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Ruaidhrí | Rory/Rory | Old Irish | Irish | red king | |
| Ruairi | Rory/Rory | Old Irish | Scottish, Irish | red king | |
| Ruairidh | Rory/Rory | Old Irish | Scottish | red king | |
| Ruan | John/Johanna | Hebrew | Portuguese | Yahweh is gracious | |
| Ruaridh | Rory/Rory | Old Irish | Scottish | red king | |
| Ruben | Ruben | Hebrew | German, Dutch, Scandinavian | Behold, a son | #460 |
| Rubén | Ruben | Hebrew | Spanish | Behold, a son | |
| Rúben | Ruben | Hebrew | Portuguese | Behold, a son | |
| Rudger | Roger | Old High German | German | Words: fame / spear | |
| Rudi | Rudolf | Old High German | German | Words: fame / wolf | |
| Rüdiger | Roger | Old High German | German | Words: fame / spear | |
| Rudolf | Rudolf | Old High German | German, Scandinavian, Dutch, English, Czech, Polish | Words: fame / wolf | |
| Rudolph | Rudolf | Old High German | English | Words: fame / wolf | |
| Rudra | Rudra | Sanskrit | Hindi | the roaring one, the howling one | |
| Rudy | Rudolf | Old High German | English | Words: fame / wolf | #818 |
| Ruedi | Rudolf | Old High German | German, Swiss German | Words: fame / wolf | |
| Rufan | Rufan | Unknown | Albanian | | |
| Rufin | Rufino/Rufina | Latin | French | the redheaded | |
| Rufino | Rufino/Rufina | Latin | Portuguese, Spanish, Italian | the redheaded | |
| Rufus | Rufus | Latin | English | the redheaded | |
| Ruggero | Roger | Old High German | Italian | Words: fame / spear | |
| Rui | Roderick/Rodina | Old High German | Portuguese | Words: fame / rich, powerful, power | |
| Rumold | Romuald | Old High German | German | Words: fame / rule | |
| Rune | Rune/Runa | Old Norse | Dutch, Scandinavian | Words: secret, mystery, rune | |
| Ruodi | Rudolf | Old High German | German | Words: fame / wolf | |
| Rupert | Robert/Roberta | Old High German | German, English, Dutch, Low German | Words: fame / bright | |
| Ruperto | Robert/Roberta | Old High German | Spanish | Words: fame / bright | |
| Ruppert | Robert/Roberta | Old High German | German, English, Dutch, Low German | Words: fame / bright | |
| Ruprecht | Robert/Roberta | Old High German | German | Words: fame / bright | |
| Rúrik | Roderick/Rodina | Old High German | Icelandic | Words: fame / rich, powerful, power | |
| Ruslan | Ruslan/Ruslana | Unknown | Russian | maybe lion | |
| Russ | Russell | Old French | English | redhead | |
| Russel | Russell | Old French | English, Scottish | redhead | |
| Russell | Russell | Old French | English, Scottish | redhead | #352 |
| Rusty | Rusty | English | English | the rusty | |
| Rutherford | Rutherford | Old English | English, Scottish | Words: ford | |
| Ruud | Rudolf | Old High German | Dutch | Words: fame / wolf | |
| Ruven | Ruben | Hebrew | German | Behold, a son | |
| Ruwen | Ruben | Hebrew | German | Behold, a son | |
| Ruy | Roderick/Rodina | Old High German | Spanish | Words: fame / rich, powerful, power | |
| Rüzgar | Rüzgar | Turkish | Turkish | wind | |
| Ryad | Riyad | Arabic | Arabic | gardens | |
| Ryan | Ryan/Ryan | Old Irish | English, Irish | Words: king | #66 |
| Ryatt | Ryatt | Unknown | English | | |
| Ryder | Ryder | Old English | English | rider | #111 |
| Ryker | Ryker | Unknown | English | | #153 |
| Rylan | Rylan/Rylan | Old English | English | by the rye land | #338 |
| Ryland | Rylan/Rylan | Old English | English | by the rye land | #565 |
| Rylee | Riley/Riley | Old English | English | rye field | |
| Rylen | Rylen | Unknown | English | | |
| Ryley | Riley/Riley | Old English | English | rye field | |
| Ryne | Ryan/Ryan | Old Irish | English | Words: king | |
| Ryo | Ryo | Japanese | Kanji symbol, Japanese | cool, refreshing | |
| Ryszard | Richard/Riccarda | Old High German | Polish | Words: rich, powerful, power / brave, hardy | |
| Ryunosuke | Ryunosuke | Japanese | Kanji symbol, Japanese | Words: dragon / this / between | |
