| Name | Meaning | Gender | Origin |
|---|
| Hopper | hop grower or seller | Male | English |
| Hunter | A hunter. One who searches for something | Male | English |
| Hurricane | A severe tropical cyclone. | Female | Spanish |
| Ike | Hebrew, laughter | Male | English |
| Iris | rainbow, a play of colours | Female | |
| Ivan | Form of John | Male | Russian |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jackal | | Unisex | Hebrew |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| Jean | God is gracious | Male | |
| Jessi | God Graciously Watches | Unisex | English |
| Jessica | God's grace | Female | Hebrew |
| Jules | youthful; soft, downy | Male | |
| Kareem | noble, distinguished | Male | Arabic |
| Kat | pure | Female | English |
| 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 |
| Kendall | ruler of the valley | Female | English |
| Kristen | Anointed, Follower Of Christ | Female | Danish |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Lachlan | From the land of lakes.
| Male | Scottish |
| Leo | Lion.
| Male | Latin |
| Lexi | Greek, feminine form of Alexander, defending men | Female | English |
| Liam | Form of William.
| Male | Irish |
| Lively | | Unisex | |