| Roc | From the Rock, Rock-like, To Roar |
| Rocket | A vehicle that uses propulsion to travel through space. |
| Rockie | Rich and Powerful Ruler |
| Rocko | To Roar, From the Rock, Rock-like |
| Rody | Famously Powerful |
| Roee | A variant of Roee, meaning 'God is my shepherd'. |
| Roey | A variant of Roey, meaning 'God is my shepherd'. |
| Rogin | A name meaning famous spear. |
| Rohn | Progressive, Healing, Ascending |
| Roki | Rock-like, From the Rock |
| Roko | Battle Cry, To Roar, Rest, Repose |
| Rolan | Famous Landowner |
| 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' |