| Name | Meaning | Gender | Origin |
|---|
| Hyacinth | after the character in the sitcom Keeping Up Appearances | Female | |
| Indian | | Unisex | Hebrew |
| Indigo | A dark blue plant dye | Female | Greek |
| Iris | rainbow, a play of colours | Female | |
| Ivy | ivy plant, a wine | Female | Plant |
| Jacinda | Beautiful
| Female | English |
| Jacinthe | Hyacinth.
| Female | |
| Jacinto | hyacinth | Male | Spanish |
| Jarred | Descendant | Unisex | English |
| Jasmin | A flower name from the older form Jessamine.
| Female | |
| Jasmine | Flower
| Female | Persian |
| Jazmine | Jasmine | Unisex | English |
| Jazzy | Modern variant of Jasmine: combination of Jocelyn and the musical term jazz.
| Female | |
| Jessamine | Jasmine | Female | French |
| Jola | God is willing | Female | Hebrew |
| Jonquil | Reed | Female | English |
| Juniper | Juniper Tree | Female | English |
| Kadangnga | | Unisex | Hebrew |
| Kalina | Flower
| Female | |
| Kalong | | Unisex | Hebrew |
| Kami | Loving | Unisex | Hindu |
| Kannika | Japanese for jasmine like blossom | Unisex | |
| Kareena | Pure, innocent, female friend
| Female | |
| Karina | Italian, dear little one | Female | Scandinavian |
| Keson | | Unisex | Hebrew |