Languages written with Duployan shorthand, Duployan stenography script
| Language | Writing System Code | Writing System Status | SLDR/CLDR locale | Regional variants |
|---|---|---|---|---|
| Chinook Wawa | chn-Dupl | in use | chn-Dupl-US (United States) | |
| English | en-Dupl | in use | en-Dupl-US (United States) | |
| French | fr-Dupl | in use | fr-Dupl-FR (France) | |
| German, Standard | de-Dupl | in use | de-Dupl-DE (Germany) | |
| Lillooet | lil-Dupl | in use | lil-Dupl-CA (Canada) | |
| Okanagan | oka-Dupl | in use | oka-Dupl-CA (Canada) | |
| Romanian | ro-Dupl | in use | ro-Dupl-RO (Romania) | |
| Spanish | es-Dupl | in use | es-Dupl-ES (Spain) | |
| Thompson | thp-Dupl | in use | thp-Dupl-CA (Canada) |