| Riyad | - | Algerian Name | Riyasat | - | Muslim Name |
| Riyaz | - | Indian Name | Riza | - | Turkish Name |
| Rizal | - | Philippines Name | Rizky | - | Indonesian Name |
| Rizvan | - | Indian Name | Rizwan | - | Muslim Name |
| Ro-won | - | Korean Name | Róaldur | - | Icelandic Name |
| Roan | - | United States Name | Roar | - | Norse Name |
| Roarke | - | Irish Name | Rob | - | German Name |
| Rob Roy | - | Scottish Name | Robb | - | United States Name |
| Robbie | - | United States Name | Robby | - | United States Name |
| Robeel | - | Muslim Name | Robert | - | English Name |
| Róbert | - | Icelandic Name | Robert | - | United States Name |
| Roberta | - | Australian Name | Roberto | - | Portuguese Name |
| Roberts | - | English Name | Robertson | - | Scottish Name |
| Robin | - | English Name | Robinson | - | English Name |
| Roble | - | African Name | Rocco | - | Italian Name |
| Rochak | - | Indian Name | Rochan | - | Indian Name |
| Rochan | - | Hindu Name | Rock | - | English Name |
| Rockwell | - | United States Name | Rocky | - | English Name |
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