| U+ | art-254 |
| 2102 | |
| Unicode Character Names | art-315 | DOUBLE-STRUCK C |
| Unicode Character Names | art-315 | DOUBLE-STRUCK CAPITAL C |
| American English | eng-004 | DOUBLE-STRUCK CAPITAL C |
| français | fra-000 | C MAJUSCULE AJOURÉ |
| français | fra-000 | L’ENSEMBLE DES NOMBRES COMPLEXES |