| Name | Meaning | Gender | Origin |
|---|
| Glasha | | Unisex | Hebrew |
| Grisha | Vigilant, Watchful | Unisex | Russian |
| Helen | bright one, torchlight | Female | Greek |
| Helena | bright, shining one | Female | Latinate |
| Helga | Pious
| Female | Scandinavian |
| Ignat | | Unisex | Hebrew |
| Igor | Scottish variation of Welsh Ifor, lord or English form of Scandinavian Ifar, yew | Male | Russian |
| Ilia | The Lord Is My God | Unisex | Slavic |
| Ilya | the Lord is my God | Male | Russian |
| Iona | flower name, purple jewel | Female | Scottish |
| Ira | watchful, descendant | Male | Hebrew |
| Irene | Peace
| Female | Greek |
| Irina | peace | Female | Russian |
| Ivan | Form of John | Male | Russian |
| Ivana | God is gracious | Female | Feminine |
| Izabella | Spanish and Italian variation of Elizabeth, Hebrew, pledged to God | Female | English |
| Jovan | Jove-like, majestic | Male | Slavic |
| Julia | Youthful
| Female | Latin |
| Kala | time, black | Unisex | |
| Karen | pure | Female | Danish |
| Karina | Italian, dear little one | Female | Scandinavian |
| Karinna | | Female | |
| Kasha | | Unisex | Hebrew |
| Kashka | Russian for kitten | Unisex | |
| Katarina | pure | Female | Czech |