| English | eng-000 |
| identity relation | |
| ISO 12620 | art-317 | identRel |
| 普通话 | cmn-000 | 同等关系 |
| 普通话 | cmn-000 | 恒等关系 |
| 普通话 | cmn-000 | 恒等关系式 |
| 普通话 | cmn-000 | 等同关系 |
| English | eng-000 | ident |
| English | eng-000 | identity function |
| English | eng-000 | identity map |
| English | eng-000 | identity transformation |
| English | eng-000 | strict relation |
| français | fra-000 | application identité |
| Nederlands | nld-000 | ident |
| Nederlands | nld-000 | identiteit relatie |
| Nederlands | nld-000 | strikte relatie |
| русский | rus-000 | отношение тождества |