| Code: | prg |
| Name: | Old Prussian |
| URL Form: | old-prussian |
| ISO 639-1: | |
| ISO 639-2: | |
| ISO 639-2-ALT: | |
| ISO 639-3: | prg |
| ISO 639-5: | |
| IETF BCP 47: | prg |
| Scope: | language |
| Dates: | |
| Extinct: | yes |
| Constructed: | no |
| Glossary Link: | Old Prussian |
| Wikipedia: | |
| Alt Names: | |
| Relevant Usage: | Prussian; |
| Parent: | Baltic |
| Children: | |
| Ancestor: | |
| Descendants: | |
| Description: | Old Prussian was a Balticlanguage that was spoken in medieval Prussia, on the southeastern coast of the Baltic Sea. |