| Code: | sio |
| Name: | Siouan |
| URL Form: | siouan |
| ISO 639-1: | |
| ISO 639-2: | sio |
| ISO 639-2-ALT: | |
| ISO 639-3: | |
| ISO 639-5: | sio |
| IETF BCP 47: | sio |
| Scope: | group |
| Dates: | |
| Extinct: | no |
| Constructed: | no |
| Glossary Link: | |
| Wikipedia: | |
| Alt Names: | |
| Relevant Usage: | |
| Parent: | Indigenous North American |
| Children: | Dakota; Omaha-Ponca; Osage; |
| Ancestor: | |
| Descendants: | |
| Description: |