| Official Name: | Trmbas |
| Settlement Type: | Village |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Šumadija and Western Serbia |
| Subdivision Type2: | District |
| Subdivision Name2: | Šumadija |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Kragujevac |
| Unit Pref: | Imperial |
| Population As Of: | 2011 |
| Population Total: | 814 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 43.9861°N 20.9833°W |
| Elevation M: | 280 |
Trmbas is a village in the municipality of Kragujevac, Serbia. According to the 2011 census, the village has a population of 814 inhabitants.[1]
| 1948 | 1953 | 1961 | 1971 | 1981 | 1991 | 2002 | 2011 | |
| 461 | 430 | 448 | 685 | 1135 | 459 | 595 | 814 |