| Ithacian | English, refers to a person from Ithaca |
| Itiah | Meaning the Lord is my sign. |
| Itisree | One who brings great fortune. |
| Itisri | A name meaning pure brilliance. |
| Itosha | A name meaning deep satisfaction. |
| Itzayana | A Moon Goddess, Protected |
| Iuetta | A variant of the name Yvette. |
| Iuma | Internet Underground Music Archive |
| Ivasa | A name meaning gift of the Lord. |
| Iveigh | A variant of Ivy, meaning a climbing plant. |
| Iwila | A name meaning a wild flower bloom. |
| Iwyla | One who is born during the twilight. |
| Iyabo | mother is reincarnated in me |
| Iyarina | A name meaning a peaceful melody. |
| Iyler | God is my light |
| Izadhar | One who possesses great power. |
| Izara | A star shining in the night. |
| Izhar X | One who reveals the hidden truth. |
| Iziar | The Virgin Mary |
| Izraq | Meaning a flash of brilliant light. |
| Jaagu | A name meaning to be awake. |
| Jaanika | A name meaning God is gracious. |
| Jaansi | The Bravery, Victorious Queen |
| Jaavon | Man from greece, in the bible, noah |
| Jabbin | One who is wise and intelligent. |
| Jabrea | Prefix Ja Plus Brea |
| Jackelyn | He who Supplants |
| Jacketta | One who Supplants |
| Jacklein | A diminutive form meaning little gift from God. |
| Jackline | A feminine name meaning God has been gracious. |
| Jacolyn | One who Supplants |
| Jacqulin | Holder of Heel, Yahweh May Protect |
| Jacqulyn | Supplanter, Holder of the Heel |
| Jadah | A Hebrew name meaning wise or precious stone. |
| Jadea | A precious green gemstone variant |
| Jadey | A playful form of the stone name |
| Jagathjananai | Mother of Earth |
| Jagdevi | Goddess of the World |
| Jahmelia | One who brings great beauty. |
| Jaidden | God has heard or judged well. |