International District/Chinatown station is a light rail station that is part of the Downtown Seattle Transit Tunnel in Seattle, Washington, United States. The station is located at the tunnel's south end, at 5th Avenue South and South Jackson Street in the Chinatown-International District neighborhood, and is served by the 1 Line of Sound Transit's Link light rail system. The station is located adjacent to Sound Transit headquarters at Union Station, as well as intermodal connections to Amtrak and Sounder commuter rail at King Street Station and the First Hill Streetcar.

The Downtown Seattle Transit Tunnel (DSTT), also referred to as the Metro Bus Tunnel, is a 1.3-mile-long (2.1 km) pair of public transit tunnels in Seattle, Washington, United States. The double-track tunnel and its four stations serve Link light rail trains on the 1 Line as it travels through Downtown Seattle. It runs west under Pine Street from 9th Avenue to 3rd Avenue, and south under 3rd Avenue to South Jackson Street. 1 Line trains continue north from the tunnel to Northgate station and south through the Rainier Valley past Seattle–Tacoma International Airport to Angle Lake station as part of Sound Transit's light rail network.