| Três de Maio | |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -27.7526°N -54.2437°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | State |
| Subdivision Name1: | Rio Grande do Sul |
| Subdivision Type2: | Region |
| Leader Title: | Mayor |
| Established Title: | Founded |
| Area Total Km2: | 422.2 |
| Population As Of: | 2020 |
| Population Total: | 23,876 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Timezone Dst: | BRST |
| Utc Offset Dst: | -2 |
Três de Maio (English: "Third of May") is a Brazilian municipality in the state of Rio Grande do Sul. It is located at -27.7526°N -54.2437°W.
It has an area of 422,2 km2. It is located 343 m over sea level. As of 2020 its population was estimated to be 23,876 inhabitants.[1] Its climate is mild with temperatures of 20 °C (68 °F) to 35 °C (95 °F) in summer and 0 (32 °F) to 15 °C (59 °F) in winter.
Supermodel Gisele Bündchen and Evlyn Eickoff were born in Três de Maio.[2]