| Jurisdiction: | Territorial Prelature |
| Alto Xingu-Tucumã | |
| Latin: | Praelatura Territorialis Xinguensis Superioris-Tucumanensis in Brasilia |
| Local: | Prelazia Territorial de Alto Xingu-Tucumã |
| Country: |  Brazil |
| Province: | Santarém |
| Metropolitan: | Santarém |
| Rite: | Latin Rite |
| Established: | 6 November 2019 (years ago) |
| Cathedral: | Cathedral of Our Lady of Aparecida in Tucumã |
| Area Km2: | 128,291 |
| Population: | 298,424 |
| Population As Of: | 2019 |
| Catholics: | 130,000 |
| Catholics Percent: | 43.6 |
| Metro Archbishop: | Irineu Roman |
| Website: | http://prelaziadoaltoxingu.org/ |
The Territorial Prelature of Alto Xingu-Tucumã (Latin: Praelatura Territorialis Xinguensis Superioris-Tucumanensis in Brasilia) is a Roman Catholic territorial prelature located in the city of Tucumã in the ecclesiastical province of Santarém in Brazil.
On November 6, 2019, the Territorial Prelature of Itaituba was established from the territory of Territorial Prelature of Xingu and Diocese of Marabá. Pope Francis appointed Jesús María López Mauléon, O.A.R., as its first bishop.[1]