| Code: | osp |
| Name: | Old Spanish |
| ISO 639-1: | |
| ISO 639-2: | |
| ISO 639-2-ALT: | |
| ISO 639-3: | osp |
| ISO 639-5: | |
| IETF BCP 47: | osp |
| Scope: | language |
| Dates: | 950-1400 |
| Extinct: | yes |
| Constructed: | no |
| Glossary Link: | |
| Wikipedia: | |
| Alt Names: | |
| Relevant Usage: | Medieval Spanish; |
| Parent: | Romance |
| Children: | |
| Ancestor: | Latin |
| Descendants: | Caló; Judeo-Spanish; Spanish; |
| Description: | This was the form of the Spanish language that was spoken in medieval times. |