| English | eng-000 |
| Old Spanish | |
| ISO 639-3 | art-001 | osp |
| ISO 639-3 Inverted Names | art-291 | Spanish, Old |
| 普通话 | cmn-000 | 古西班牙语 |
| Deutsch | deu-000 | Altspanisch |
| français | fra-000 | vieil espagnol |
| italiano | ita-000 | spagnolo antico |
| 日本語 | jpn-000 | 古スペイン語 |
| Nederlands | nld-000 | Oudspaans |
| português | por-000 | castelhano antigo |
| română | ron-000 | limba spaniolă medievală |
| русский | rus-000 | староиспанский язык |
| español | spa-000 | castellano antiguo |
| español | spa-000 | castellano medieval |
| español | spa-000 | español antiguo |
| español | spa-000 | español medieval |
| svenska | swe-000 | fornspanska |