San Chao Rong Thong (ศาลเจ้าโรงทอง) is a sub-district of Ang Thong Province, Thailand, where most inhabitants are of Chinese descent.
The market of San Chao has existed for 100 years and was almost designated by the Thai governments before a major fire in 6 December 2006. The main market are in the sub-district but there is also the market fair that takes place every Tuesday morning, and is one of the biggest market fairs in Ang Thong Province.