| Chaves | |
| Settlement Type: | Municipality |
| Mapsize: | 250px |
| Pushpin Map: | Brazil |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | North |
| Area Total Km2: | 13084.879 |
| Elevation M: | 6 |
| Population As Of: | 2020 [1] |
| Population Total: | 23,948 |
| Population Density Km2: | 1.3 |
| Coordinates: | -0.16°N -49.9878°W |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Postal Code Type: | Postal Code |
| Postal Code: | 68880-000 |
Chaves is a Brazilian municipality located in the state of Pará. Its population as of 2020 is estimated to be 23,948 people. The area of the municipality is 13,084.879 km². The city belongs to the mesoregion Marajó and to the microregion of Arari.
The municipality is contained in the Marajó Archipelago Environmental Protection Area, a sustainable use conservation unit established in 1989 to protect the environment of the delta region.