| Tseku | |
| States: | China |
| Region: | Tibet |
| Dateprefix: | ca. |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | Sino-Tibetan |
| Fam2: | Tibeto-Kanauri ? |
| Fam3: | Bodish |
| Fam4: | Tibetic |
| Fam5: | (Khams Tibetan) |
| Iso3: | tsk |
| Glotto: | tsek1238 |
| Glottorefname: | Tseku |
Tseku (Tzuku) is a Tibetic language of Tibet. Tournadre (2013) classifies it with Khams Tibetan.