| Country: |  Cambodia |
| Kampong Cham | |
| Jurisdiction: | Apostolic Prefecture |
| Latin: | Praefectura Apostolica Kampongchamensis |
| Local: | ភូមិភាគកំពង់ចាម |
| Border: | catholic |
| Bishop: | Pierre Suon Hangly |
| Bishop Title: | Apostolic Prefect |
| Emeritus Bishops: | Antonysamy Susairaj, M.E.P. |
| Established: | 26 September 1968 |
| Rite: | Latin Rite |
| Area Km2: | 66,347 |
| Population: | 5,400,000 |
| Population As Of: | 2010 |
| Catholics: | 3,600 |
| Catholics Percent: | 0.1 |
The Apostolic Prefecture of Kampong Cham is a territorial subdivision of the Roman Catholic Church in Cambodia.
The prefecture covers an area of 66,347 km2 of eastern Cambodia, covering the provinces of Kampong Cham, Kratié, Stung Treng, Ratanakiri, Mondulkiri, Svay Rieng, Tboung Khmum and Prey Veng. As of 2002, of the 4.2 million citizen 3,460 are member of the Catholic Church. The prefecture is subdivided into 24 parishes, and has 13 priests altogether.
The prefecture was erected on September 26, 1968, when the Apostolic Vicariate of Phnom Penh (which was until then responsible for all of Cambodia) was split into three parts.
appointed July 15, 2022