| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Inna | EE-nah (Russian) | Russian, Ukrainian | ||
| Innocentius | - | Late Roman | ||
| Innocenzo | - | Italian | ||
| 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 | ||
| Ioachim | - | Judeo-Christian Legend | ||
| Ioakeim | - | Judeo-Christian Legend | ||
| Ioan | - | Romanian, Welsh, Bulgarian | ||
| Ioana | - | Romanian, Bulgarian | ||
| Ioane | - | Georgian (Archaic) | ||
| Ioann | - | Russian | ||
| Iodocus | - | Ancient Celtic (Latinized) |