| Name | Meaning | Gender | Origin |
|---|
| Halloween | | Unisex | Hebrew |
| Hazel | The hazel tree:nut.
| Female | English |
| Helaine | Variant of Helen. In mythology the abduction of Zeus's mortal daughter Helen sparked the Trojan War.
| Female | |
| Hera | Queen of the Gods | Female | Greek |
| Hestia Jones | Member, Order of the Phoenix.
| Female | |
| Hippocrates Smethwyck | | Unisex | |
| Hocus Pocus | | Unisex | Hebrew |
| Honey | Term of endearment. Sweet syrup produced by bees | Female | Word |
| Honey Bear | | Unisex | Hebrew |
| Honora | Honor
| Female | Latin |
| Hot Dog | | Unisex | Hebrew |
| Ignacia | Fire
| Female | Latin |
| Iliana | from Ilium or Troy | Female | Greek |
| Intaglio | | Female | |
| Isabell | Committed to God.
| Female | |
| Isold | Rule of ice
| Female | |
| Jacalyn | Feminine of Jacques derived from James and Jacob.
| Female | |
| Jacquelyn | Feminine of Jacques derived from James and Jacob.
| Female | |
| Jamaica | Isle with many springs | Female | Place-name |
| Javiera | Owns a new house
| Female | Spanish |
| Jessie | wealthy | Female | Anglicized |
| Joaquina | God shall establish
| Female | Spanish |
| Kareena | Pure, innocent, female friend
| Female | |
| 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 |
| Kattrina | Pure.
| Female | |