| Jurisdiction: | Diocese |
| Labuan Bajo | |
| Latin: | Dioecesis Portus Bajavensis |
| Local: | Keuskupan Labuan Bajo |
| Country: |  Indonesia |
| Territory: | West Manggarai Regency, East Nusa Tenggara, Indonesia |
| Metropolitan: | Ende |
| Area Km2: | 3.141 |
| Population: | 275.903 |
| Population As Of: | 2023 |
| Catholics: | 220.487 |
| Catholics Percent: | 79,3 |
| Parishes: | 25 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 21 June 2024 |
| Cathedral: | Holy Spirit Cathedral in Labuan Bajo |
| Priests: | 90 |
| Bishop: | Maximilianus Rex |
| Bishop Title: | Bishop-elect |
| Metro Archbishop: | Paul Boedhie Kleden |
| Suffragan: | for one --> |
| Archdeacon: | for one--> |
| Map: | Diocese of Labuan Bajo ID.svg |
The Roman Catholic Diocese of Labuan Bajo (la|Dioecesis Portus Bajavensis) is a diocese of the Latin Church of the Catholic Church, located in the Lesser Sunda Islands, Indonesia. The diocese was split from Roman Catholic Diocese of Ruteng and was established on 21 June 2024.[1] Its cathedral episcopal see is the Cathedral of The Holy Spirit in Labuan Bajo.
The diocese was established on 21 June 2024, on territory split from Roman Catholic Diocese of Ruteng.[2] [3] Its erection was the result of the 3rd diocesan synod in Ruteng in 2021. All preparation was about to do.[4] On 21 June 2024 The Holy See announced its erection and appointed Fr. Maximilianus Rex as its first bishop.[5]