Onobasulu language
| Onobasulu | |
|---|---|
| Region | Papua New Guinea | 
| Native speakers | 1,000 (2010) | 
| Trans–New Guinea
 
 | |
| Language codes | |
| ISO 639-3 | onn | 
| Glottolog | onob1238 | 
Onobasulu is a Papuan language of Papua New Guinea, primarily spoken in the province of Southern Highlands Half of its speakers are monolingual.