| Name | Gender | Meaning | Favorites |
| Idhaya | Girl | Heart | |
| Ilaiyaraja | Boy | Prince | |
| Ilakkiya | Girl | A classic | |
| Ilakkiyan | Boy | Skilled in literature | |
| Ilamadhi | Boy | Youthful and Brilliant | |
| Ilamaran | Boy | Youthful and Brave | |
| Ilamparidhi | Boy | Young Horse | |
| Ilango | Boy | Chera Prince who wrote Tamil masterpiece Silappadhikaram | |
| Ilangovan | Boy | Prince | |
| Ilavarasan | Boy | Prince | |
| Ilavarasi | Girl | Princess | |
| Iniya | Girl | Sweet | |
| Iniyan | Boy | Pleasant Natured | |
| Ishwar | Boy | The supreme lord | |
| Iyyappan | Boy | Lord Iyyappan, Youthful | |
