| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Nicolao | - | Spanish | ||
| Nicolasa | nee-ko-LAH-sah | Spanish | ||
| Nicolau | nee-koo-LOW (Portuguese) | Portuguese, Galician, Catalan | ||
| Nicolaus | NEE-ko-lows (German) | German, Ancient Greek (Latinized) | ||
| Nicole | nee-KOL (French), ni-KOL (English) | French, English, Dutch, German | ||
| Nicoleta | - | Romanian | ||
| Nicoletta | - | Italian | ||
| Nicolina | nee-ko-LEE-nah | Italian | ||
| Nicomede | nee-ko-ME-de | Italian | ||
| Nicomedes | - | Ancient Greek (Latinized) | ||
| Nicostrato | nee-ko-STRAH-to | Italian | ||
| Nicostratus | - | Ancient Greek (Latinized) | ||
| Nicu | - | Romanian | ||
| NicuȘOr | - | Romanian | ||
| Nidia | - | Spanish |