| Bo-Ung | |
| Nativename: | Tembagla |
| States: | Papua New Guinea |
| Region: | Southern Highlands Province |
| Date: | 2000 census |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea |
| Fam2: | Chimbu–Wahgi |
| Fam3: | Hagen |
| Iso3: | mux |
| Glotto: | boun1245 |
| Glottorefname: | Bo-Ung |
Tembagla, also known as Bo-Ung (Mbo-Ung), is one of the languages spoken in the Southern Highlands province of Papua New Guinea. Geographically the people are Kaugel, but their language appears to be closer to the related Medlpa.
Dialects are Ku Waru, Mara-Gomu, Miyemu (Miyem), and Tembalo (Tembaglo).