孟邦 （缅甸语：မွန်ပြည်နယ）是缅甸的一个邦，位于该国南部。萨尔温江把邦分为南北两部，西临莫塔马湾。面积12,155平方公里，人口2,466,000。首府毛淡棉位于中部，北部和南部的中心分别为直通和耶城。有铁路连接两座大城和商业中心仰光。

下分2县。

Mon State (Burmese:မွန်ပြည်နယ်, pronounced: [mʊ̀ɴ pjìnɛ̀]; Mon:တွဵုရးဍုၚ်မန်၊ ရးမညဒေသ) is an administrative division of Myanmar. It lies between Kayin State to the east, the Andaman Sea to the west, Bago Region to the north and Tanintharyi Region to the south, also having a short border with Thailand's Kanchanaburi Province at its south-eastern tip. The land area is 12,155 km. The Dawna Range, running along the eastern side of the state in a NNW–SSE direction, forms a natural border with Kayin State. Mon State includes some small islands, such as Kalegauk, Wa Kyun and Kyungyi Island, along its 566 km of coastline. The state's capital is Mawlamyaing.