| Settlement Type: | Municipality |
| Official Name: | Porciúncula |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast |
| Subdivision Type2: | State |
| Subdivision Name2: | Rio de Janeiro |
| Leader Title: | Mayor |
| Leader Name: | Antonio Jogaib (PP) |
| Established Title: | Founded |
| Established Date: | August 21, 1947 |
| Area Total Km2: | 291.847 |
| Population As Of: | 2022 [1] |
| Population Total: | 17,288 |
| Population Density Km2: | auto |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -20.9628°N -42.0408°W |
| Elevation M: | 190 |
| Blank Name: | HDI (2000) |
| Blank Info: | 0.730 – medium[2] |
| Website: | www.porciuncula.rj.gov.br |
Porciúncula (pronounced as /pt/) is a municipality located in the northernmost point of the Brazilian state of Rio de Janeiro. Its population was 17,288 (2022) and its area is 291,847 km2.[3]