| Name | Meaning | Gender | Origin |
|---|
| Ingrid | Ing's ride | Female | Norse |
| Iona | flower name, purple jewel | Female | Scottish |
| Irene | Peace
| Female | Greek |
| Iris | rainbow, a play of colours | Female | |
| Isabella | pledged to God | Female | Spanish |
| Isadora | gift of the moon | Female | Greek |
| Isolde | beautiful | Female | Welsh |
| Ivy | ivy plant, a wine | Female | Plant |
| Jada | wise | Female | Spanish |
| Jana | Feminine variation of John | Female | Czech |
| Jasmine | Flower
| Female | Persian |
| Jemima | dove | Female | Hebrew |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jessica | God's grace | Female | Hebrew |
| Jewel | Jewel
| Female | Word |
| Jillian | Jove's child. Variant of Gillian from the masculine Julian.
| Female | Phonetic |
| Jodie | From Judith - Admired and praised | Unisex | |
| Jolie | French for pretty | Female | |
| Josephine | God will increase | Female | |
| Joy | From Joyce - Gay and joyful | Female | Word |
| Judy | Hebrew, He will be praised, woman from Judea | Female | English |
| Juno | queen of the heavens | Female | Latin |
| Justine | just, true | Female | |
| Kalina | Flower
| Female | |