Sumner station is a train station in the city of Sumner, Washington, United States. It is served by the S Line, a Sounder commuter rail line operated by Sound Transit. The station is located to the southwest of downtown Sumner and includes two platforms, a bus station, and 302 parking spaces. Commuter train service to Sumner began in September 2000 at a temporary station, while the permanent facility opened on March 10, 2001. Parking at the station is expected to expand to over 600 stalls in 2026, after the completion of a new parking garage and pedestrian bridge.

Sumner is a city in northern Pierce County, Washington, United States. The population was 10,621 at the 2020 census. Nearby cities include Puyallup to the west, Auburn to the north, and Bonney Lake to the east.