Wat Sing railway station is a railway station located in Bang Khun Thian subdistrict, Chom Thong district, Bangkok. It is a class 2 railway station. Currently, 34 rail services operate at the station. It is one of the few stations on the single-track line with a passing loop.

Wat Sing is planned to be a station on the SRT Dark Red Line extension to Mahachai.

The station opened on 29 December 1904 during the reign of King Chulalongkorn, as part of the Pak Khlong San–Mahachai railway operated by the Tachin Railway Ltd.

It's named after Wat Sing, a nearby local Buddhist temple.

13°41′00″N 100°26′52″E / 13.6833°N 100.4478°E / 13.6833; 100.4478