| Name | Meaning | Gender | Origin |
|---|
| Hermione | messenger, earthly | Female | Greek |
| Hestia | hearth, fireside | Female | Greek |
| Hillary | happy, cheerful | Female | Latin |
| Horace | timekeeper | Male | Latin |
| Hyperion | | Unisex | Hebrew |
| Icarus | Follower | Male | Latin |
| Ignatius | fiery | Male | Latin |
| Iliana | from Ilium or Troy | Female | Greek |
| Io | pronounced: Ee-Oh | Female | Greek |
| Irene | Peace
| Female | Greek |
| Iris | rainbow, a play of colours | Female | |
| Isabeau | from the movie LadyHawke | Female | |
| Iyonna | Variant of Hannah. Gracious.
| Female | |
| Jacalyn | Feminine of Jacques derived from James and Jacob.
| Female | |
| Jacinda | Beautiful
| Female | English |
| Jacqueleen | | Unisex | |
| Jacques | supplanter | Male | |
| Jacynth | Beautiful, Beloved
| Female | |
| Jasmin | A flower name from the older form Jessamine.
| Female | |
| Jason | the Lord is salvation | Male | Hebrew |
| Javan | Son of Japtheth
| Male | Hebrew |
| Javier | Born in January
| Male | Spanish |
| Jay | jaybird | Male | Latin |
| Jayson | Healer. Alternate spelling of Jason.
| Male | |
| Jazmine | Jasmine | Unisex | English |