| Tb1 | |
| Picture Format: | 576i SDTV |
| Owner: | Callidus d.o.o. Trebinje |
| Key People: | Adrijana Jeremić |
| Country: | Bosnia and Herzegovina |
| Language: | Serbian |
| Area: | Bosnia and Herzegovina |
| Headquarters: | Trebinje, Dobrovoljačka br. 18[1] |
| Former Names: | Tß1 |
tb1 (Serbian: Tß1) is a Bosnian commercial television channel based in Trebinje, Bosnia and Herzegovina. The program is mainly produced in Serbian. The television station was established in 2016.