| Pedro Osório | |
| Settlement Type: | Town |
| Mapsize: | 300px |
| Coordinates: | -31.8642°N -52.8233°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | South |
| Subdivision Type2: | State |
| Subdivision Name2: | Rio Grande do Sul |
| Subdivision Type3: | Micro-region |
| Subdivision Name3: | Pelotas |
| Established Title: | Founded |
| Established Date: | April 3, 1959 |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 608.79 |
| Elevation M: | 31 |
| Population Total: | 7,706 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Population Demonym: | Pedro-osoriense |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Area Code Type: | Area/distance code |
| Blank Name Sec1: | IBGE code |
Pedro Osório is a Brazilian municipality in the southeastern part of the state of Rio Grande do Sul. The population is 7,706 (2020 est.) in an area of 608.79 km2.[2] The municipality was founded on April 3, 1958 from parts of the municipalities of Canguçú and Arroio Grande. Cerrito was separated in 1997.[3]
The municipality is by the Piratini River. Its population is largely of Italian and Lebanese descent.