McPherson Square station is a Washington Metro station in Downtown, Washington, D.C., United States. The side-platformed station is operated by the Washington Metropolitan Area Transit Authority (WMATA). Providing service for the Blue, Orange, and Silver Lines, the station is located between McPherson Square and Franklin Square, with two entrances on I Street at Vermont Avenue and 14th Street NW. This is the main station to access the White House, and the Vermont Avenue exit is directly underneath the Department of Veterans Affairs building.

The Blue Line is a rapid transit line of the Washington Metro system, consisting of 28 stations in Fairfax County, Alexandria and Arlington, Virginia; Washington, D.C.; and Prince George's County, Maryland, United States. The Blue Line runs from Franconia–Springfield to Downtown Largo. The line shares track with the Orange Line for 13 stations, the Silver Line for 18, and the Yellow Line for 7. Only 3 stations are exclusive to the Blue Line.