| Rella | A name meaning little queen. |
| Renaee | One who has been reborn |
| Rence | Probably derived from laurus |
| Renitta | One who is reborn and renewed. |
| Rennae | One who has been reborn |
| Renner | German surname meaning 'runner' or ' messenger' |
| Rennick | English surname meaning 'little king' or 'royal child' |
| Rennon | English surname meaning 'little king' or 'royal child' |
| Resolved | Determined to make a decision or take action. |
| Reston | Place of rest or quiet refuge. |
| Retha | A name meaning pearl or gem. |
| Reunan | A name meaning edge or boundary line. |
| Revere | To show respect or admiration for someone or something. |
| Reydan | Strong and powerful, possibly derived from a Celtic word. |
| Reyden | Guardian of the people or protector of the community. |
| Reyel | God is my oath or promise to God. |
| Reyen | Strong and powerful, possibly derived from a Celtic word. |
| Rhaegar | Great leader or noble ruler, possibly from a Celtic or Welsh origin. |
| Rheal | To heal or cure, possibly derived from a Celtic word. |
| Rheia | Menstruation, Birth waters |
| Rhen | Strong and powerful, possibly derived from a Celtic word. |
| Rhoades | From the road or path, possibly derived from a Celtic word. |
| Rhone | From the river or stream, possibly derived from a Celtic word. |
| Rhordan | Strong and powerful, possibly derived from a Celtic word. |
| Rhydian | From the valley or river, possibly derived from a Celtic word. |
| Rhyis | Wise or intelligent, possibly derived from a Celtic word. |
| Rhyland | From the land or territory, possibly derived from a Celtic word. |
| Rhymer | Poet or singer, possibly derived from a Celtic word. |
| Riatt | Strong and powerful, possibly derived from a Celtic word. |
| Ricary | Leader or ruler, possibly derived from a Celtic word. |
| Richarda | Powerful and brave ruler |
| Rickyy | A powerful ruler |
| Rieden | Strong and powerful, possibly derived from a Celtic word. |
| Riggan | Ragn , judgment, decision, In Norse legend, Regin |
| Rilian | Derived from the Latin word for 'relating to the sea' |
| Riot | Uncommon given name possibly derived from the Latin 'rius' |
| Ripkin | English surname possibly derived from 'rip' meaning 'to tear' |
| Riv | A strong, flowing river. |
| Rivaille | Joining, adhesion |
| Riwin | Welsh name meaning 'friend of the sea' |