| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Ingvelde | Ingvild | Old Norse | German | Words: will, liking | |
| Ingvild | Ingvild | Old Norse | Scandinavian | Words: will, liking | |
| Ingwelde | Ingvild | Old Norse | German | Words: will, liking | |
| Inja | Inja | Slovenian | Slovenian | | |
| Inka | Ingo/Inge | Old High German | Frisian | | |
| Inke | Ingo/Inge | Old High German | Frisian | | |
| Inken | Ingo/Inge | Old High German | Frisian | | |
| Inkeri | Ingrid | Old Norse | Finnish | Words: beautiful | |
| Inmaculada | Immacolata | Latin | Spanish | the immaculate | |
| Inna | Innozenz/Innozentia | Latin | German | | |
| Innocentia | Innozenz/Innozentia | Latin | German | | |
| Innocenza | Innozenz/Innozentia | Latin | Italian | | |
| Innozentia | Innozenz/Innozentia | Latin | German | | |
| Inola | Enola | English | German | | |
| Insa | Inse | Frisian | German, Frisian | | |
| Inse | Inse | Frisian | German, Frisian | | |
| Inska | Inse | Frisian | German, Frisian | | |
| Inske | Inse | Frisian | German, Frisian | | |
| Intan | Intan | Malay | Malay | diamond | |
| Inuina | Inuina | Unknown | Greenlandic | | |
| Inuuna | Inuuna | Unknown | Greenlandic | | |
| Ioana | John/Johanna | Hebrew | Bulgarian, Romanian | Yahweh is gracious | |
| Ioanna | John/Johanna | Hebrew | Greek | Yahweh is gracious | |
| Iolanda | Yolanda | Old Greek | Italian | violet | |
| Iole | Yolanda | Old Greek | Italian | violet | |
| Iona | Iona | Old Norse | English, Scottish | Words: island | |
| Ionela | John/Johanna | Hebrew | Romanian | Yahweh is gracious | |
| Iphigenia | Iphigenia | Old Greek | English | born strong | |
| Iphigenie | Iphigenia | Old Greek | German | born strong | |
| Iphigénie | Iphigenia | Old Greek | French | born strong | |
| Ippolita | Hippolyt/Hippolyta | Old Greek | Italian | Words: horse | |
| Iqra | Iqra | Arabic | Arabic | read | |
| Ira | Irene | Old Greek | Italian | the peaceful | |
| Irati | Irati | Basque | Spanish | fern field | |
| Irdina | Irdina | Unknown | Arabic | | |
| Ireland | Ireland | English | English | Ireland | |
| Irem | Irem | Arabic | Turkish | Eden | |
| Irén | Irene | Old Greek | Hungarian | the peaceful | |
| Irena | Irene | Old Greek | Dutch, Czech, Polish | the peaceful | |
| Irene | Irene | Old Greek | German, Scandinavian, Italian, English | the peaceful | #674 |
| Irène | Irene | Old Greek | French | the peaceful | |
| Iria | Iris | Old Greek | Spanish | rainbow | |
| Iride | Iris | Old Greek | Italian | rainbow | |
| Iridian | Iridian | Unknown | English | | |
| Irina | Irene | Old Greek | Russian | the peaceful | |
| Irini | Irene | Old Greek | Greek | the peaceful | |
| Iris | Iris | Old Greek | German, Scandinavian, Dutch, English | rainbow | #107 |
| Íris | Iris | Old Greek | Icelandic | rainbow | |
| Irish | Irish | Unknown | Tagalog | | |
| Irma | Irma | Old High German | German, French, Italian, Spanish | Words: universal | |
| Irmak | Irmak | Turkish | Turkish | river | |
| Irmchen | Irmgard | Old High German | German | Words: universal / fence, enclosure, protection | |
| Irmela | Irma | Old High German | German | Words: universal | |
| Irmelin | Irma | Old High German | German | Words: universal | |
| Irmelind | Irmlinde | Old High German | German | Words: universal / gentle, friendly | |
| Irmgard | Irmgard | Old High German | German | Words: universal / fence, enclosure, protection | |
| Irmhild | Irmhild | Old High German | German | Words: immense, universal / fight | |
| Irmhilde | Irmhild | Old High German | German | Words: immense, universal / fight | |
| Irmlind | Irmlinde | Old High German | German | Words: universal / gentle, friendly | |
| Irmlinde | Irmlinde | Old High German | German | Words: universal / gentle, friendly | |
| Irmtraud | Irmtraud | Old High German | German | Words: universal / strength, power | |
| Irmtrud | Irmtraud | Old High German | German | Words: universal / strength, power | |
| Isa | Isabella | Hebrew | German, Dutch, English | God is perfection; or: God is my oath | |
| Isabeau | Isabella | Hebrew | French | God is perfection; or: God is my oath | |
| Isabel | Isabella | Hebrew | Portuguese, Spanish | God is perfection; or: God is my oath | #145 |
| Ísabel | Isabella | Hebrew | Icelandic | God is perfection; or: God is my oath | |
| Isabela | Isabella | Hebrew | Portuguese, Spanish | God is perfection; or: God is my oath | #837 |
| Isabell | Isabella | Hebrew | German | God is perfection; or: God is my oath | |
| Isabella | Isabella | Hebrew | German, Spanish, Italian | God is perfection; or: God is my oath | #7 |
| Ísabella | Isabella | Hebrew | Icelandic | God is perfection; or: God is my oath | |
| Isabelle | Isabella | Hebrew | French | God is perfection; or: God is my oath | #117 |
| Isabelly | Isabella | Hebrew | Portuguese | God is perfection; or: God is my oath | |
| Isadora | Isidore/Isidora | Old Greek | German, Portuguese, English | gift of Isis | |
| Isadore | Isidore/Isidora | Old Greek | German, English | gift of Isis | |
| Isaline | Isaline | French | French | | |
| Isamar | Isamar | Unknown | English | | |
| Isaura | Isaura | Latin | Portuguese, Spanish | from Isaria | |
| Isaure | Isaura | Latin | French | from Isaria | |
| Isela | Isela | Unknown | Spanish | | |
| Iselin | Aisling | Irish | Scandinavian | dream, vision | |
| Iseult | Isolde | Unknown | English | | |
| Isha | Isha | Sanskrit | Indian | protector | |
| Ishani | Ishani | Unknown | Indian | | |
| Ishilde | Ishilde | Old High German | German | Words: iron / fight | |
| Iside | Isis | Egyptian | Italian | maybe mistress of the throne | |
| Isidora | Isidore/Isidora | Old Greek | German, Italian, English | gift of Isis | |
| Isidore | Isidore/Isidora | Old Greek | German | gift of Isis | |
| Isis | Isis | Egyptian | German, English | maybe mistress of the throne | |
| Ísis | Isis | Egyptian | Portuguese | maybe mistress of the throne | |
| Iska | Isko/Iska | Spanish | Tagalog | | |
| Isla | Islay/Isla | Scottish | Scottish | | #33 |
| Isleen | Aisling | Irish | Irish | dream, vision | |
| Islene | Aisling | Irish | Irish | dream, vision | |
| Ismene | Ismene | Old Greek | German, English | | |
| 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 | | |
