Lengo language
| Lengo | |
|---|---|
| Native to | Solomon Islands | 
| Region | Guadalcanal | 
| Native speakers | (14,000 cited 1999) | 
| Language codes | |
| ISO 639-3 | lgr | 
| Glottolog | leng1259 | 
Lengo or informally known as "Doku" is an Oceanic language spoken on the island of Guadalcanal. It belongs to the Southeast Solomonic language family.