| Nela | | - | Croatian, Slovak, Portuguese, Czech | |
| Nenad | | - | Serbian, Croatian | |
| Neno | | - | Serbian, Croatian | |
| Nensi | | - | Croatian | |
| Neven | | - | Croatian, Serbian, Macedonian | |
| Nevena | | - | Bulgarian, Macedonian, Croatian, Serbian | |
| Nevenka | | - | Croatian, Serbian, Slovene | |
| NikŠA | | - | Croatian | |
| Nika (2) | | - | Slovene, Croatian | |
| Nikica | | - | Croatian, Serbian | |
| Niko | | NEE-ko (Finnish) | Finnish, Croatian, Slovene | |
| Nikola (1) | | - | Serbian, Croatian, Slovene, Bulgarian, Macedonian, Hungarian, Czech, Basque, Medieval Slavic | |
| Nikolina | | - | Bulgarian, Croatian, Serbian, Macedonian | |
| Ninoslav | | - | Serbian, Croatian, Medieval Slavic | |
| Nives | | - | Italian, Croatian | |