| Rossa | | ROS-sah | Italian | |
| Rossana | | - | Italian | |
| Rossella | | ros-SEL-lah | Italian | |
| Rostam | | - | Persian, Persian Mythology | |
| Rostislav | | rahs-tee-SLAHF (Russian) | Russian, Czech, Medieval Slavic | |
| Rostom | | - | Georgian | |
| Roswitha | | - | German | |
| Rothaid | | - | Ancient Germanic | |
| Rouben | | - | Biblical Greek, Armenian | |
| Roul | | - | Medieval French, Medieval English | |
| Routh | | - | Biblical Greek | |
| Rowanne | | ro-AN | English (Rare) | |
| Rowina | | ro-EE-nə | English (Rare) | |
| Roxana | | rahk-SAN-ə (English), rok-SAHN-ah (Spanish) | English, Spanish, Romanian, Ancient Greek (Latinized) | |
| Roxane | | rok-SAHN (French), rahk-SAN (English) | French, English, Ancient Greek | |