| Code: | ofs |
| Name: | Old Frisian |
| URL Form: | old-frisian |
| ISO 639-1: | |
| ISO 639-2: | |
| ISO 639-2-ALT: | |
| ISO 639-3: | ofs |
| ISO 639-5: | |
| IETF BCP 47: | ofs |
| Scope: | language |
| Dates: | 700-1500 |
| Extinct: | yes |
| Constructed: | no |
| Glossary Link: | Old Frisian |
| Wikipedia: | http://en.wikipedia.org/wiki/Old_Frisian |
| Alt Names: | |
| Relevant Usage: | Old Frisian; |
| Parent: | West Germanic |
| Children: | |
| Ancestor: | Proto-Germanic |
| Descendants: | East Frisian; North Frisian; West Frisian; |
| Description: | Old Frisian was a West Germanic language spoken in northern Germany and the Netherlands. |