| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Inigo | IN-i-go | English (Rare) | ||
| Inka | EENG-kah (Finnish), ING-kah (German) | Frisian, Finnish, German | ||
| Inkeri | EENG-ke-ree | Finnish | ||
| Inma | - | Spanish | ||
| Inmaculada | - | Spanish | ||
| Inna | EE-nah (Russian) | Russian, Ukrainian | ||
| Innes | - | Scottish | ||
| Innocent | IN-ə-sənt (English) | History | ||
| Innokenti | - | Russian | ||
| Innokentiy | - | Russian | ||
| Innokenty | - | Russian | ||
| Inocencio | ee-no-THEN-thyo (Spanish), ee-no-SEN-syo (Latin American Spanish) | Spanish | ||
| Intan | EEN-tahn (Indonesian) | Indonesian, Malay | ||
| Into | EEN-to | Finnish | ||
| Ioachim | - | Judeo-Christian Legend |