| Firstname | Gender | Origin | Meaning of name | Form | Pronunciation |
|---|---|---|---|---|---|
| Iana |  | Hebrew | God is forgiving | (YAH nah); (ee AH nah) | |
| Ianthe | | Greek | Violet | Itself | (YAHN theh) |
| Icie | | English | Ice-like | Icy | (EYE see) |
| Icy | | English | Ice-like | Itself | (EYE see) |
| Ida | | German | Work | Itself | (I dah); (EE dah) |
| Idalia | | German | Work | Ida | (ee dah lee ah) |
| Idalina | | German | Work | (i dah LEEN ah); (ee dah LEEN ah) | |
| Idelle | | German | Work | (eye DELL) | |
| Iesha | | Arabic | Alive, She who lives | Aisha | (ee YEY shah) |
| Ignacia | | Latin | Fiery | Ignacio | (ig NAH syah) |
| Firstname | Gender | Origin | Meaning | Form | Pronunciation |
|---|---|---|---|---|---|
| Igraine | | English | N/A | Itself | (ee GRAYN) |
| Igrayne | | English | N/A | Igraine | (ee grayne) |
| Ikuye | | Japanese | Fragrant picture | (EE koo yeh) | |
| Ilana | | Greek | Torch; bright light | (ih LAH nah) | |
| Ileana | | Greek | Bright, shining one | (EE lee AH nah) | |
| Iliana | | Hebrew | The Lord has responded | (ee lee AHN ah) | |
| Ilona | | Greek | Torch; bright light | (EEL on a) | |
| Ilsa | | Hebrew | My God is a vow | (IL seh) | |
| Ilse | | Hebrew | My God is a vow | (IL seh) | |
| Ilysa | | Hebrew | My God is a vow | N/A |