| Name | Meaning | Gender | Origin |
|---|
| Hope | Hope
| Female | |
| Hope | Hope
| Female | |
| Hyacinth | after the character in the sitcom Keeping Up Appearances | Female | |
| Ice | Water frozen solid | Unisex | |
| Indigo | A dark blue plant dye | Female | Greek |
| Iron | | Unisex | Hebrew |
| Jacinda | Beautiful
| Female | English |
| Jada | wise | Female | Spanish |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jady | The Gemstone Jade; The Color Green. | Unisex | English |
| Jaeger | Hunter | Unisex | German |
| Jasmine | Flower
| Female | Persian |
| Jayda | Green Gemstone | Unisex | English |
| Jelly | | Unisex | Hebrew |
| Jemma | Italian, precious stone | Female | Spelling |
| Jesper | Treasure | Unisex | Danish |
| Jetta | jet | Female | English |
| Jewel | Jewel
| Female | Word |
| Jing | Pure Epitomy | Unisex | Chinese |
| Joellen | Jehovah is God. Feminine of Joel.
| Female | |
| Jorie | God will uplift
| Female | English |
| Joy | From Joyce - Gay and joyful | Female | Word |
| Kamen | Rock | Unisex | Croatian |
| Kaya | my elder sister | Female | Native |
| Keiko | Japanese for happy or beloved | Female | Japanese |