布帝洞（缅甸语：ဘူးသီးတောင်မြို့；英语：Buthidaung），又译布迪当，为缅甸若开邦的一座城镇，位于墨玉河西岸，行政中心在布帝洞城。

这里是罗兴亚人一个较大聚居地，距离另一罗兴亚人聚居地貌夺16公里。

Buthidaung (Burmese: ဘူးသီးတောင်မြို့; MLCTS: bu:si:taung mrui., pronounced: [búðídàʊɴ mjo̰]) is a town in the Rakhine State in the westernmost part of Myanmar. It is the administrative seat of Buthidaung Township. Buthidaung lies on the west bank of the Mayu river, and experienced severe flooding in June of 2010 and July of 2011. Buthidaung is 16 miles away from Maungdaw. The two towns are connected by two tunnels through the May Yu mountains that were built in 1918.