| Tambotalo | |
| Also Known As: | Biliru |
| State: | Vanuatu |
| Region: | Espiritu Santo |
| Speakers: | 50 |
| Date: | 1981 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Southern Oceanic |
| Fam5: | North-Central Vanuatu |
| Fam6: | North Vanuatu |
| Fam7: | Espiritu Santo |
| Iso3: | tls |
| Glotto: | tamb1253 |
| Glottorefname: | Tambotalo |
| Map: | Lang Status 40-SE.svg |
Tambotalo, or Biliru, is a nearly extinct Oceanic language spoken in a single village in the southeast of Espiritu Santo Island in Vanuatu.