| Robison | Scottish form of Robertson, meaning 'son of Robert'. |
| Roce | Derived from Old French, meaning 'famous' or 'renowned'. |
| Rocelin | Derived from Old French, meaning 'famous' or 'renowned'. |
| Rocelinus | Derived from Old French, meaning 'famous' or 'renowned'. |
| Rocki | From the Rock; Rock-like; To Roar |
| Rodgers | Famous Warrior or Spear |
| Rodny | Reed Island; Hroda's Island |
| Roise | Derived from Old French, meaning 'famous' or 'renowned'. |
| Roiston | Son of Royce; Settlement of Royce |
| Rok | Rock-like; From the Rock |
| Rokey | Rock-like; From the Rock |
| Rokon | Possibly derived from a Slavic origin, meaning 'strong' or 'powerful'. |
| Romer | Pilgrim to Rome |
| Rondel | A fixed form of French verse. |
| Roneil | Derived from Old French, meaning 'famous' or 'renowned'. |
| Roniel | Derived from Hebrew, meaning 'God is my light'. |
| Ronilo | Derived from Italian, meaning 'famous' or 'renowned'. |
| Ronis | Derived from Latin, meaning 'famous' or 'renowned'. |
| Ronne | Derived from Old French, meaning 'famous' or 'renowned'. |
| Rotri | Derived from Old French, meaning 'famous' or 'renowned'. |
| Royson | Derived from Old French, meaning 'famous' or 'renowned'. |
| Roysten | Son of Royce; Settlement of Royce |
| Ruid | A name meaning loud or noisy. |
| Ruk | Resembling a Raven |
| Rumir | A Falsity Spread By Word Of Mouth |
| Ruviljo | Derived from Italian, meaning 'famous' or 'renowned'. |
| Rylen | A name meaning wise islander. |
| Ryosuke | A clear and helpful person. |
| Ryutaro | Son of the Big Dragon |
| Ryyan | Descendant Of Rian |
| Restituto | One who Returns to God |
| Rizalino | from Jose Rizal |
| Rockefeller | from Rockenfeld, Germany |
| Rosauro | masculine form of Rosario |
| Rosito | masculine form of Rose |
| Ruperto | One who has a bright reputation. |
| Raafael | God has healed the person. |
| Raaffa | A name meaning a healer of God. |
| Raaffaeeli | God has healed this person. |
| Raaffu | A variant of the name Ralph. |