| Name | Meaning | Gender | Origin |
|---|
| Helena | bright, shining one | Female | Latinate |
| Hilda | Battle maid
| Female | |
| Ida | prosperous | Female | |
| Irma | universal, complete | Female | |
| Izabella | Spanish and Italian variation of Elizabeth, Hebrew, pledged to God | Female | English |
| Jakob | Supplanter, Representative | Unisex | German |
| Jakov | Supplanter, Representative | Unisex | Slavic |
| Jeannette | God Is Gracious | Unisex | French |
| Jola | God is willing | Female | Hebrew |
| Joli | Cheerful; Pretty. | Unisex | English |
| Julia | Youthful
| Female | Latin |
| Kada | Not Available | Unisex | American |
| Kat | pure | Female | English |
| Katarina | pure | Female | Czech |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |
| Katinka | after the character in the movie Zoolander | Unisex | |
| Kazimir | To Destroy Peace | Unisex | Russian |
| Kiara | Italian, light, clear | Female | Spelling |
| Kira | Dark Lady.
| Female | Russian |
| Kitti | | Unisex | Hebrew |
| Klara | Clear, Bright | Unisex | Scandinavian |
| Konrad | Bold, Wise Councelor | Unisex | German |
| Lara | citadel | Female | Russian |
| Laura | bay laurel | Female | Latin |
| Lazar | God Is My Helper | Unisex | Hungarian |