| U+ | art-254 |
| 019F | |
| Unicode Character Names | art-315 | LATIN CAPITAL LETTER BARRED O |
| Unicode Character Names | art-315 | LATIN CAPITAL LETTER O WITH MIDDLE TILDE |
| American English | eng-004 | LATIN CAPITAL LETTER BARRED O |
| français | fra-000 | LETTRE MAJUSCULE LATINE O TILDE MÉDIAN |
| français | fra-000 | O BARRÉ |