| ISO 639-3 | art-001 |
| lvs | |
| ISO 639-3 Reference Names | art-289 | Standard Latvian |
| ISO 639-3 Print Names | art-290 | Standard Latvian |
| ISO 639-3 Inverted Names | art-291 | Latvian, Standard |
| Ethnologue Primary Language Names | art-323 | Latvian, Standard |
| Ethnologue Language Names | art-330 | Latvian, Standard |
| Ethnologue Language Names | art-330 | Lettisch |
| Ethnologue Language Names | art-330 | Lettish |
| English | eng-000 | Standard Latvian |
| русский | rus-000 | стандартный латышский |