| Official Name: | Terra Boa |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -23.7678°N -52.4439°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | South |
| Subdivision Type2: | State |
| Subdivision Name2: | Paraná |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | Centro Ocidental Paranaense |
| Subdivision Type4: | Microregion |
| Subdivision Name4: | Campo Mourão |
| Subdivision Type5: | Metrop. region |
| Leader Title: | Mayor |
| Elevation M: | 825 |
| Area Total Km2: | 320.85 |
| Population Total: | 17,200 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Postal Code: | 87240-xxx |
| Area Code Type: | Area code |
Terra Boa is a municipality in the micro-region of Campo Mourão in the Brazilian state of Paraná. The population is 17,200 (2020 est.) in an area of 320.85 km².[2] The elevation is 825 m. The neighbouring municipalities are Cianorte, Engenheiro Beltrão, Jussara and Peabiru.