| Official Name: | Municipality of Triunfo |
| Triunfo | |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -29.9428°N -51.7178°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | South |
| Subdivision Type2: | State |
| Subdivision Type3: | Mesoregion |
| Subdivision Type4: | Microregion |
| Subdivision Type5: | Metrop. region |
| Leader Title: | Mayor |
| Area Total Km2: | 818.80 |
| Population Footnotes: | [1] |
| Population Total: | 29,856 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Area Code Type: | Area code |
| Blank Name: | HDI (2010) |
| Blank Info: | 0.733 – high[2] |
Triunfo is a municipality in the state of Rio Grande do Sul, Brazil. The population is 29,856 (2020 est.) in an area of 818.80 km².[3] It is situated at the confluence of the rivers Taquari and Jacuí. It is the richest municipality in Brazil, with a per capita income of R$122,750 (US$65,275).