| Rowan | | RO-ən (English) | Irish, English (Modern) | |
| Rowanne | | ro-AN | English (Rare) | |
| Rowena | | ro-EE-nə | English | |
| Rowina | | ro-EE-nə | English (Rare) | |
| Rowland | | RO-lənd | English | |
| Rowley | | - | English | |
| 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 | |
| Roxanna | | rahk-SAN-ə | English | |
| Roxanne | | rahk-SAN (English), rok-SAHN (French) | English, French | |
| Roxie | | RAHK-see | English | |
| Roxy | | RAHK-see | English | |
| Roy | | ROI (Scottish, English) | Scottish, English, Dutch | |
| Royal | | ROI-əl | English | |
| Royale | | ROI-əl | English (Rare) | |