| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ROSTAM | - | Persian, Persian Mythology | ||
| ROSTISLAV | rahs-tee-SLAHF (Russian) | Russian, Czech, Medieval Slavic | ||
| ROSTOM | - | Georgian | ||
| ROSWELL | RAHZ-wel | English | ||
| ROSWITHA | - | German | ||
| ROSY | ROZ-ee | English | ||
| ROTEM | - | Hebrew | ||
| Roth | [rɔ:θ] | |||
| ROTHAID | - | Ancient Germanic | ||
| ROUBEN | - | Biblical Greek, Armenian | ||
| ROUL | - | Medieval French, Medieval English | ||
| Rouse | [rauz] | |||
| ROUTH | - | Biblical Greek | ||
| Rowan | ['rauən] | |||
| ROWAN | RO-ən (English) | Irish, English (Modern) |