| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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) | ||
| Iokua | - | Hawaiian | ||
| Iolana | - | Hawaiian | ||
| Iolanda | - | Italian, Portuguese, Romanian | ||
| Ion (1) | YON (Romanian) | Basque, Romanian | ||
| Iona (2) | - | Russian, Georgian, Biblical Latin | ||
| Ionel | yo-NEL | Romanian |