| Imogene | | IM-ə-jeen | English | |
| Imran | | - | Arabic, Urdu, Punjabi, Malay, Bengali | |
| Ina | | EE-nə (English), IE-nə (English), EE-nah (Swedish, Dutch, Limburgish) | English, German, Swedish, Norwegian, Danish, Dutch, Limburgish, Croatian | |
| India | | IN-dee-ə | English | |
| Indiana | | in-dee-AN-ə | English | |
| Indigo | | IN-di-go | English (Rare) | |
| Indrajit | | - | Hinduism, Bengali, Indian, Hindi | |
| Indrani | | - | Hinduism, Bengali, Indian, Hindi | |
| Inez | | - | English | |
| Ingram | | ING-grəm | English | |
| Inigo | | IN-i-go | English (Rare) | |
| Iola | | - | English | |
| Iona (1) | | ie-ON-ə (English) | English, Scottish | |
| Ione | | ie-O-nee (English), IE-o-nee (English), ie-ON (English) | Greek Mythology, English | |
| Ira (1) | | IE-rə (English) | Biblical, English, Hebrew | |