| Reo | A name meaning royal or kingly. |
| Reshon | A variant of Reshon, meaning 'strong' or 'powerful'. |
| Resit | A variant of Resit, meaning 'strong' or 'firm'. |
| Revel | To indulge in pleasure or enjoyment. |
| Revin | A variant of Revan, meaning 'strong' or 'powerful'. |
| Reymon | Well-advised Protector |
| Reyn | Gift of God, Fame, Little King |
| Reyner | Counsel, Army, Advice, Warrior |
| Rhashan | A variant of Rashan, meaning 'God is gracious'. |
| Rhino | Ruler with Counsel |
| Rhoderick | Famously Powerful |
| Rhovy | A variant of Rhovy, meaning 'red' or 'ruddy'. |
| Richards | Strong Ruler, Brave One |
| Richey | A powerful and brave ruler. |
| Richter | A judge or a legal official. |
| Rielly | A descendant of the courageous. |
| Riian | Little Ruler or King |
| Rike | A High-spirited Man |
| Rikk | A powerful and wealthy leader. |
| Rilan | A person who is very loyal. |
| Rishard | A brave and strong ruler. |
| Ritt | A German name meaning knight. |
| Rixon | Derived from Richards son. |
| Roach | A type of insect, often considered a pest. |
| Roam | Searches, One who Wanders |
| Roban | Bright Famous One, Famously Famous |
| Robart | Famously or Bright Famous |
| Robbe | A short form of Robert name. |
| Robben | Famously Famous, Bright Famous |
| Robel | Born During the Rainy Season |
| Roben | A variant of Roben, meaning 'bright fame' or 'famous'. |
| Robertino | Little bright fame person. |
| Robie | Famously or Bright Famous |
| Robinsan | Bright or Brilliant Fame |
| 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'. |