| Tonsea | |
| Region: | northern Sulawesi |
| States: | Indonesia |
| Speakers: | 90,000 |
| Date: | 1989 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Philippine |
| Fam4: | Minahasan |
| Fam5: | North |
| Fam6: | Northeast |
| Script: | Latin |
| Iso3: | txs |
| Glotto: | tons1240 |
| Glottorefname: | Tonsea |
Tonsea (Tonsea’) is an Austronesian language of the northern tip of Sulawesi, Indonesia. It belongs to the Minahasan branch of the Philippine languages.[1]