| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
|---|
| Ismini | Ismene | Old Greek | Greek | | |
| Isobel | Isabella | Hebrew | English, Scottish | God is perfection; or: God is my oath | |
| Isolde | Isolde | Unknown | German, English | | |
| Isolina | Isolde | Unknown | Italian | | |
| Isotta | Isolde | Unknown | Italian | | |
| Itala | Italo/Itala | Latin | Italian | | |
| Itria | Itria | Unknown | German | | |
| Itzayana | Itzel | Maya | Spanish, English | she of the rainbow | |
| Itzel | Itzel | Maya | English | she of the rainbow | #376 |
| Itziar | Itziar | Basque | Spanish, Basque | | |
| Iulia | Julius/Julia | Latin | Romanian | Words: dedicated to Jupiter | |
| Iuliana | Julian/Juliana | Latin | Romanian | | |
| Iva | Ivo/Yvonne | Old High German | Italian | maybe the archer | |
| Ivaana | Ivaaq/Ivaana | Greenlandic | Greenlandic | brooded egg | |
| Ivaila | Ivailo/Ivaila | Unknown | Bulgarian | | |
| Ivalu | Ivalu | Greenlandic | Greenlandic | sinew | |
| Ivana | John/Johanna | Hebrew | Russian | Yahweh is gracious | |
| Ivanka | John/Johanna | Hebrew | Slavic | Yahweh is gracious | |
| Ivanna | John/Johanna | Hebrew | Russian | Yahweh is gracious | #555 |
| Ivett | Ivo/Yvonne | Old High German | Hungarian | maybe the archer | |
| Ivette | Ivo/Yvonne | Old High German | German, French, English | maybe the archer | |
| Ivey | Ivy | English | English | ivy | #788 |
| Ivona | Ivo/Yvonne | Old High German | Italian | maybe the archer | |
| Ivonne | Ivo/Yvonne | Old High German | German, French | maybe the archer | |
| Ivory | Ivory | English | English | ivory | #404 |
| Ivy | Ivy | English | English | ivy | #36 |
| Iwana | John/Johanna | Hebrew | Russian | Yahweh is gracious | |
| Ixchel | Itzel | Maya | Spanish | she of the rainbow | |
| Iyana | John/Johanna | Hebrew | English | Yahweh is gracious | |
| Iyanna | John/Johanna | Hebrew | English | Yahweh is gracious | |
| Iyla | Ila | Unknown | English | | #565 |
| Iza | Isabella | Hebrew | Dutch | God is perfection; or: God is my oath | |
| Izabela | Isabella | Hebrew | Polish, Hungarian | God is perfection; or: God is my oath | |
| Izabele | Isabella | Hebrew | Lithuanian | God is perfection; or: God is my oath | |
| Izabella | Isabella | Hebrew | Polish, Hungarian | God is perfection; or: God is my oath | #503 |
| Izabelle | Isabella | Hebrew | English | God is perfection; or: God is my oath | |
| Izara | Izara | Unknown | Malay | | |
| Iziar | Iciar | Unknown | Spanish | | |
| Izolda | Isolde | Unknown | Polish | | |
| Izz | Izz | Arabic | Arabic | glory, power | |
| Izzara | Izara | Unknown | Malay | | |
| Izzati | Izzat/Izzati | Arabic | Malay | respect, honor, prestige | |
