The Maeklong Railway (also known as the Mae Klong Railway) is a 1,000 mm (3 ft 3+3⁄8 in) metre gauge railway that runs for nearly 65 kilometres (40 mi) between Wongwian Yai, Bangkok, and Samut Songkhram in central Thailand.^[1]

The railway became famous for its route through the Maeklong Railway Market, nicknamed (Thai: ตลาดร่มหุบ; RTGS: Talat Rom Hup), meaning the "umbrella pulldown market".^[2] It is one of the largest fresh seafood markets in Thailand, and is centred on the Maeklong Railway's track.^[3] Whenever a train approaches, the awnings and shop fronts are moved back from the rails, to be replaced once the train has passed.^[4]