Ou Chum District
Ou Chum is a district located in Ratanakiri Province, in north-east Cambodia. In 1998 it had a population of 11,863. It contains 37 villages, which are located in seven communes.
Communes
| Commune | Villages | Population |
| Cha Ung | Char Ung Ket, Char Ung Chan, Phlay Ampil, Thuoy Tum, Char Ung Kao | 1,733 |
| Chan/Pouy | Chan, Kan Saeung, Kreh, Ta Ngach, Svay, Khmaeng, Krala, Kang Kuy | 1,696 |
| Aekakpheap | Pa Or, Pa Chon Thum, Oum, Krouch | 1,752 |
| Kalai | Kalai Muoy, Kalai Pir, Kalai Bei | 820 |
| Ou Chum | Ou Chum, Tharang Chong, Svay, L'eun Kreaeng, L'eun Chong, Tang Pleng, Tang Kamal, L'eun Kangmis | 3,090 |
| Sameakki | Ka Meaen, Prak, Ba Nhuk, Ping | 1,424 |
| L'ak | L'ak, Kralong, Kouk, Kam, Phum Pir | 1,348 |