| ISO 639-2/T | art-002 |
| nld | |
| ISO 639-3 | art-001 | nld |
| ISO 639-2/B | art-003 | dut |
| ISO 639-1 | art-004 | nl |
| ISO 639-3 Reference Names | art-289 | Dutch |
| ISO 639-3 Print Names | art-290 | Dutch |
| ISO 639-3 Print Names | art-290 | Flemish |
| ISO 639-3 Inverted Names | art-291 | Dutch |
| ISO 639-3 Inverted Names | art-291 | Flemish |