Taipei Main Station is the eastern terminus of the Taoyuan Airport MRT in Zhongzheng District, Taipei, Taiwan. Located roughly 250 metres west of Taipei railway station and 200 metres east of Beimen metro station, the station is connected to the Taipei railway station through a 115 metres long underground walkway, and to Beimen station through another underground walkway. It is the busiest station of the Taoyuan Airport MRT. The station is served by both express and commuter trains, and provides in-town check in services for outbound flights. Currently, four airlines offer this service.

Taiwan Taoyuan International Airport MRT, commonly known as the Airport MRT, is a rapid transit line of the Taoyuan Metro that connects the municipalities of the capital Taipei, Taoyuan and New Taipei with Taoyuan International Airport. The 51.33 km (31.89 mi) line, from Taipei Main Station to Laojie River, has 22 stations and began commercial service on 2 March 2017.