| U+ | art-254 |
| 00EF | |
| Unicode Character Names | art-315 | LATIN SMALL LETTER I DIAERESIS |
| Unicode Character Names | art-315 | LATIN SMALL LETTER I WITH DIAERESIS |
| American English | eng-004 | LATIN SMALL LETTER I WITH DIAERESIS |
| français | fra-000 | LETTRE MINUSCULE LATINE I TRÉMA |