| Onofredo | A peaceful and quiet protector. |
| Otte | One who is wealthy and prosperous. |
| Pano | A Greek name meaning 'all' or 'complete' |
| Pardulfo | A brave and noble wolf warrior. |
| Pershing | One who Deals with Peaches |
| Pipino | Derived from the word for pip. |
| Polat | A Turkish name meaning 'lion' or 'strong and fierce' |
| Pretzel | Named for a twisted bread knot. |
| Prodromos | A Greek name meaning 'fore-runner' or 'pioneer' |
| Putte | A Scandinavian name meaning 'young warrior' or 'strong and brave' |
| Raban | A name meaning raven or crow. |
| Radik | A Turkish name meaning 'radical' or 'innovative' |
| Rainerio | Meaning wise army or counselor. |
| Ralphy | Wise and Strong |
| Ramiero | Powerful in Battle |
| Randulfus | Wolf ruler, a strong and powerful name with Germanic origins. |
| Ranees | Foreigner, a name with Arabic and Persian roots, meaning outsider. |
| Rawlings | Famous Landowner |
| Reiko | A name meaning lovely child. |
| Rejinaldo | Meaning a wise, powerful ruler. |
| Rembert | Bright fame, a name with Germanic origins, meaning famous and shining. |
| Reynel | Counselor, a name with French and Germanic roots, meaning advisor. |
| Rezo | Swift, a name with Arabic and Turkish origins, meaning quick and agile. |
| Rheinallt | Meaning a powerful, wise ruler. |
| Rhon | Strong, a name with Welsh and Celtic roots, meaning powerful and robust. |
| Riberto | Brilliant Because of his Power |
| Richerd | Meaning a brave, strong ruler. |
| Rigaberto | A bright and famous ruler. |
| Rigo | A shortened form of famous ruler. |
| Rikar | A powerful and brave leader. |
| Ritcherd | A brave and powerful ruler. |
| Ritsherd | A strong and bold leader. |
| Rizieri | Army of the Leader |
| Robertas | Famously or Bright Famous |
| Rodito | Famously Powerful |
| Rodriquez | Son of the famous ruler. |
| Roeland | Renowned in the Land |
| Roffe | Famous or Legendary Wolf |
| Romildo | A glorious and famous ruler. |
| Ronelo | Famous ruler, a name with Spanish and Italian origins, meaning renowned leader. |