| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Redzep | Recep | Arabic | Albanian | respect | |
| Reece | Reece/Reese/Reece | Welsh | English, Welsh | ardor | #454 |
| Reed | Reed | Old English | English, Scottish | the red | #420 |
| Rees | Reece/Reese/Reece | Welsh | English | ardor | |
| Reese | Reece/Reese/Reece | Welsh | English | ardor | #620 |
| Reggie | Reinhold | Old High German | English | Words: advice / rule | |
| Reginald | Reinhold | Old High German | English | Words: advice / rule | |
| Rei | Raymond/Ramona | Old High German | Albanian | Words: advice / protection, protector | |
| Reid | Reed | Old English | English, Scottish | the red | #300 |
| Reign | Reign | Unknown | English | | #623 |
| Reik | Reiko | Frisian | German, Frisian | Words: advice | |
| Reiko | Reiko | Frisian | German, Frisian | Words: advice | |
| Reilly | Riley/Riley | Old English | English | rye field | |
| Reimar | Reimar | Old High German | German | Words: advice / famous, well-known | |
| Reimer | Reimar | Old High German | German | Words: advice / famous, well-known | |
| Reimund | Raymond/Ramona | Old High German | German | Words: advice / protection, protector | |
| Reinbert | Rembert | Old High German | German, Dutch | Words: advice / bright | |
| Reiner | Rayner | Old High German | German | Words: advice / army, warrior | |
| Reingard | Reingard | Old High German | German | Words: advice / fence, enclosure, protection | |
| Reinhard | Reinhard | Old High German | German | Words: advice / brave, hardy | |
| Reinhart | Reinhard | Old High German | German | Words: advice / brave, hardy | |
| Reinhold | Reinhold | Old High German | German | Words: advice / rule | |
| Reinmar | Reimar | Old High German | German | Words: advice / famous, well-known | |
| Reinold | Reinhold | Old High German | German | Words: advice / rule | |
| Rejan | Rejan | Unknown | German | | |
| Rejjan | Rayan | Arabic | Serbo-Croatian | maybe beautiful | |
| Rembert | Rembert | Old High German | German, Dutch | Words: advice / bright | |
| Remi | Remi | Unknown | English | | #807 |
| Rémi | Remigio/Remigia | Latin | French | rower, oarsman | |
| Remigio | Remigio/Remigia | Latin | Italian | rower, oarsman | |
| Remington | Remington | Old English | English | raven city | #287 |
| Remmer | Reimar | Old High German | German | Words: advice / famous, well-known | |
| Remo | Remo | Latin | German, Italian | Words: oar | |
| Remy | Remington | Old English | English | raven city | #400 |
| Rémy | Remigio/Remigia | Latin | French | rower, oarsman | |
| Remzi | Ramzi | Arabic | Turkish | maybe symbol, secret | |
| Ren | Ren | Japanese | Kanji symbol, Japanese | lotus | |
| Renaldo | Reinhold | Old High German | Italian | Words: advice / rule | |
| Renan | Ronan | Old Irish | Portuguese, French | little seal | |
| Renato | Renato/Renate | Latin | Portuguese, Spanish, Italian | born again | |
| Renátó | Renato/Renate | Latin | Finnish | born again | |
| Renaud | Reinhold | Old High German | French | Words: advice / rule | |
| Rene | Renato/Renate | Latin | German | born again | #987 |
| René | Renato/Renate | Latin | French | born again | |
| Renke | Renke/Renke | German | German, Frisian, Low German | Words: advice | |
| Rens | Laurence/Laura | Latin | Dutch | Words: laurel | |
| Renz | Laurence/Laura | Latin | English | Words: laurel | |
| Renzo | Laurence/Laura | Latin | Italian | Words: laurel | |
| Reo | Reo | Unknown | English | | |
| Restituto | Restituto | Latin | Spanish, Tagalog | Words: put back, restore | |
| Reto | Reto/Reta | Latin | German, Swiss German, Rhaeto-Romanic | | |
| Reuben | Ruben | Hebrew | English | Behold, a son | #871 |
| Rex | Rex/Regina | Latin | German, English | king | #791 |
| Rey | Rey | Spanish | English | king | #821 |
| Reyansh | Reyansh | Unknown | Hindi | maybe ray of light | |
| Reyhan | Rayhan/Rayhana | Arabic | Arabic | fragrance; basil | |
| Reynaldo | Reinhold | Old High German | Spanish | Words: advice / rule | |
| Reynante | Reynante | Spanish | Tagalog | | |
| Reynaud | Reinhold | Old High German | French | Words: advice / rule | |
| Reynold | Reinhold | Old High German | English | Words: advice / rule | |
| Reza | Reza | Arabic | Persian | contentment | |
| Rezart | Rezart/Rezarta | Albanian | Albanian | maybe golden ray | |
| Rhett | Rhett | Unknown | English | | #174 |
| Rhodes | Rhodes | Old English | English | | #612 |
| Rhydian | Rhydian | Unknown | Welsh | Words: ford | |
| Rhys | Reece/Reese/Reece | Welsh | Welsh | ardor | #353 |
| Riaan | Ryan/Ryan | Old Irish | English | Words: king | |
| Rian | Ryan/Ryan | Old Irish | English | Words: king | |
| Ricardo | Richard/Riccarda | Old High German | Spanish | Words: rich, powerful, power / brave, hardy | #375 |
| Ricards | Richard/Riccarda | Old High German | Latvian | Words: rich, powerful, power / brave, hardy | |
| Riccardo | Richard/Riccarda | Old High German | Italian | Words: rich, powerful, power / brave, hardy | |
| Ricco | Henry/Henrietta | Old High German | Italian | Words: home, homeland / rich, powerful, power | |
| Richard | Richard/Riccarda | Old High German | German, French, English | Words: rich, powerful, power / brave, hardy | #232 |
| Richárd | Richard/Riccarda | Old High German | Hungarian | Words: rich, powerful, power / brave, hardy | |
| Richmut | Richmut/Richmute | Old High German | German | Words: rich, powerful, power / mind, spirit | |
| Richy | Richard/Riccarda | Old High German | English | Words: rich, powerful, power / brave, hardy | |
| Rick | Richard/Riccarda | Old High German | English | Words: rich, powerful, power / brave, hardy | |
| Rickard | Richard/Riccarda | Old High German | Scandinavian | Words: rich, powerful, power / brave, hardy | |
| Rickert | Richard/Riccarda | Old High German | German, Low German | Words: rich, powerful, power / brave, hardy | |
| Rickey | Richard/Riccarda | Old High German | English | Words: rich, powerful, power / brave, hardy | |
| Ricky | Richard/Riccarda | Old High German | English | Words: rich, powerful, power / brave, hardy | #826 |
| Rico | Richard/Riccarda | Old High German | Spanish | Words: rich, powerful, power / brave, hardy | |
| Rico | Henry/Henrietta | Old High German | Italian | Words: home, homeland / rich, powerful, power | |
| Ridge | Ridge | English | English | ridge | #528 |
| Ridley | Ridley | Old English | English | Words: wood, clearing, meadow | |
| Riggs | Riggs | Unknown | English | | #668 |
| Rigoberto | Rigoberto | Old High German | Spanish | Words: rich, powerful, power / bright | |
| Rik | Henry/Henrietta | Old High German | Dutch | Words: home, homeland / rich, powerful, power | |
| Rikard | Richard/Riccarda | Old High German | Scandinavian | Words: rich, powerful, power / brave, hardy | |
| Rikárdó | Richard/Riccarda | Old High German | Hungarian | Words: rich, powerful, power / brave, hardy | |
| Riko | Henry/Henrietta | Old High German | German | Words: home, homeland / rich, powerful, power | |
| Riku | Riku | Japanese | Kanji symbol, Japanese | land; 6 | |
| Rikus | Henry/Henrietta | Old High German | Frisian, Dutch | Words: home, homeland / rich, powerful, power | |
| Riley | Riley/Riley | Old English | English | rye field | #229 |
| Rilind | Rilind/Rilinda | Albanian | Albanian | reincarnation | |
| Rimbert | Rembert | Old High German | German, Dutch | Words: advice / bright | |
| Rinaldo | Reinhold | Old High German | Italian | Words: advice / rule | |
| Rino | Rino | Italian | Italian | | |
| Rinor | Rinor | Albanian | Albanian | adolescent, youthful | |
| Rio | Rio | Spanish | English | river | #516 |