Bang Luang Mosque (Thai: มัสยิดบางหลวง) is a historic mosque, located in Soi Arun Amarin 7, New Arun Amarin Road, Wat Kanlaya Subdistrict, Thon Buri District, of Bangkok.

The mosque is situated on the Thonburi side within Kudi Khao Community by the Khlong Bangkok Yai (formerly Khlong Bang Luang) near mouth of Chao Phraya River.

This mosque was built in the early Rattanakosin period (c. 1784 CE) during the reign of King Phutthayotfa Chulalok (Rama I) by a Muslim merchant named "To Yi" (โต๊ะหยี).

It is the only Thai-style mosque in the world, decorated with three-tiered art including Thai, Chinese and European.

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