Bang Konthi (, ) is a district (amphoe) of Samut Songkhram province.
The district is slightly inland at the northwestern tip of the Bay of Bangkok. Neighboring districts are (from the east clockwise) Mueang Samut Songkhram, Amphawa, Wat Phleng, Mueang Ratchaburi and Damnoen Saduak, the latter three in Ratchaburi province. The Mae Klong river flows through the district.
In 1913, the district was enlarged by incorporating the district Mae Nam Om. Additionally, it was reassigned from Ratchaburi to Samut Songkhram. In 1914 the name was changed from Si Muen (à ¸ªà ¸µà ¹Âà ¸«à ¸¡à ¸·à ¹Âà ¸Â) to Bang Konthi.
The district is divided into thirteen subdistricts (tambons), which are further subdivided into 101 villages (mubans).
As of December 2023 there are four subdistrict municipalities (thesaban tambon), Bang Krabue, Bang Yi Rong cover the whole subdistrict and Kradangnga covers a part of the subdistrict and Bang Nok Khwaek covers also a part of Bang Khonthi subdistrict. There are also seven subdistrict administrative organizations - SAO (ongkan borihan suan tambon - o bo to). Don Manora, Chom Pluak and Bang Phrom cover the whole subdistrict, while Kradangnga covers a part of the subdistrict. Six former SAO's were combined into three SAO's: Bang Sakae with Ban Promote, Rong Hip with Bang Kung and Bang Khonthi with Yai Phaeng.
There is Napalai hospital in Kradangnga subdistrict with 90 beds.
There are total thirteen health-promoting hospitals in the district, of which; one in every subdistrict but Don Manora subdistrict has two.
There are twenty-five Theravada Buddhist temples in the district.<br> One in Bang Sakae, Don Manora, Chom Pluak, Bang Krabue and Bang Pramote, two in Bang Khonthi, Bang Phrom and Bang Nok Khwaek, three in Rong Hip, five in Bang Kung, six in Kradangnga.
Bang Nok Khwaek is the centre of the Roman Catholic Diocese of Ratchaburi. The Nativity of Our Lady Cathedral was built in 1890 in French Gothic style.
Khai Bang Kung is a former river fort, which was of great importance during the late Ayutthaya and Thonburi periods. After being deserted for almost 200 years, a Boy Scout camp was established at the site in 1967, and a shrine was built commemorating King Taksin.
Wat Charoen Sukharam Worawihan is the most important Buddhist temple in the district. The main Buddha figure in the Ubosot (ordination hall) is called Luang Pho Toa. It consists of a laterite core covered with plaster and gilded, and is in the style of the Sukhothai period.