Mamuju Regency is a regency (Indonesian: kabupaten) of West Sulawesi province, Indonesia. The capital is Mamuju, which is also the capital of West Sulawesi. The population of the regency was 336,879 at the 2010 Census.
Mamuju Regency has high potential uranium sites with radioactivity of ~250 nsv per year as same as at Pocos de Caldas, Brazil. The highest potential uranium site at hill of Takandeang village about 40 kilometers from Mamuju City has radioactivity 2,000-3,000 nsw per hour.
The regency is divided into sixteen districts (kecamatan), tabulated below with their 2010 Census population.
| Tapalang Barat |
- "Ada Uranium di Sulawesi Barat". March 17, 2012.
- 2010 Indonesian Census
- Official website (Indonesian)