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