| Sajau | |
| Also Known As: | Sajau Basap, Sajau-Latti |
| Region: | Borneo |
| States: | Indonesia |
| Speakers: | 6,000 |
| Date: | 1981 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam4: | Central Sarawak |
| Fam5: | Punan–Müller Schwaner |
| Fam6: | Punan |
| Dia1: | Punan Sajau |
| Dia2: | Punan Basap |
| Dia3: | Punan Batu |
| Dia4: | Latti |
| Iso3: | sjb |
| Glotto: | saja1241 |
| Glottorefname: | Sajau-Latti |
Sajau, Sajau Basap, or Sajau-Latti is an Austronesian language spoken by the Punan Sajau and Punan Basap people of Borneo in Indonesia.