| Brunca Sign Language | |
| States: | Costa Rica |
| Ethnicity: | Boruca |
| Speakers: | Unknown |
| Date: | 2021 |
| Ref: | e25 |
| Familycolor: | Sign |
| Family: | village sign |
| Iso3: | rnb |
| Linglist: | 1kv |
| Glotto: | brun1247 |
| Glottorefname: | Brunca Sign Language |
Brunca Sign Language is a village sign language of an indigenous Brunca community in southern Costa Rica. It is unrelated to Costa Rican Sign Language.