| Rolandas | A Lithuanian name meaning 'famous in battle'. |
| Roll | Famous Wolf, Famous Landowner |
| Rom | Curving River, Soul |
| Romane | One who is from Rome city. |
| Romani | A person of Roman descent. |
| Romann | A variant of Roman origin. |
| Romar | Pilgrim to Rome |
| Romas | Short form of Roman, meaning 'from Rome' |
| Romell | Combination of Roman and El, meaning 'from Rome's light' |
| Romey | A name meaning dew of sea. |
| Romio | Pilgrim to Rome, Citizen of Rome |
| Rommel | Good Looking, Smart |
| Rommy | A variant of Roman origin. |
| Rondo | Italian name meaning 'round' or 'circular' |
| Ronel | God's Joy; A Short Poem; Song of .... |
| Ronish | Perfectionist; Bright |
| Ronnel | Combination of Ronald and El, meaning 'wise ruler's light' |
| Rosendo | Famed Path, The Excellent Master |
| Roshawn | A blend of rose and Shawn. |
| Roshon | Hebrew name meaning 'God's gift' |
| Rossano | Brilliant, Peninsula, Promontory |
| Rotimi | God stays with me always. |
| Rouben | Behold, a son is born now. |
| Roye | Red-haired, Ruddy, King |
| Rozer | A Red-haired Man |
| Ruffin | One with a reddish complexion. |
| Ruffy | Nickname for Rufus, meaning 'wolf's friend' |
| Ruis | Short form of Russell, meaning 'fox's wisdom' |
| Rulon | Famous Landowner |
| Rummy | A person who is quite odd. |
| Rusel | Little Red-haired |
| Russo | Someone with red colored hair. |
| Ryoga | Japanese name meaning 'good law' or 'good principle' |
| Tadanori | Japanese name meaning 'fidelity' or 'loyalty' |
| Tade | Praise, Gift of God, Given |
| Tadon | Japanese name meaning 'fidelity' or 'loyalty' |
| Tae | Korean name meaning 'great' or 'excellent' |
| Taghi | One who is pious and devout. |
| Tahoe | A large body of deep water. |
| Taishan | Honest, High-spirited, Firebrand |