| UNDP Country Codes | art-294 |
| CKI | |
| العربية | arb-000 | جزر كوك |
| ISO 3166 alpha | art-006 | CK |
| ISO 3166 alpha | art-006 | COK |
| UN M.49 | art-279 | 184 |
| FAO Country Code | art-296 | 47 |
| GAUL Country Codes | art-297 | 60 |
| 普通话 | cmn-000 | 库克群岛 |
| English | eng-000 | Cook Islands |
| English | eng-000 | the Cook Islands |
| français | fra-000 | les Îles Cook |
| français | fra-000 | Îles Cook |
| italiano | ita-000 | Isole Cook |
| русский | rus-000 | Острова Кука |
| español | spa-000 | Islas Cook |
| español | spa-000 | las Islas Cook |