| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ImriŠKa | - | Slovak | ||
| Imrich | - | Slovak | ||
| Iva (2) | - | Czech, Slovak, Slovene | ||
| Ivan | ee-VAHN (Russian, Ukrainian), IE-vən (English) | Russian, Bulgarian, Ukrainian, Belarusian, Serbian, Croatian, Czech, Slovak, Macedonian, Slovene, En | ||
| Ivana | - | Czech, Slovak, Serbian, Croatian, Slovene, Bulgarian, Macedonian | ||
| Ivanka | - | Bulgarian, Czech, Slovak, Serbian, Croatian, Slovene | ||
| Iveta | - | Czech, Slovak | ||
| Ivka | - | Croatian, Bulgarian, Slovak, Czech | ||
| Ivona | - | Czech, Slovak, Croatian, Macedonian |