The Orange Line is a rapid transit line of the Washington Metro system, consisting of 26 stations in Fairfax County and Arlington in Northern Virginia; Washington, D.C.; and Prince George's County, Maryland, United States. The Orange Line runs from Vienna in Virginia to New Carrollton in Maryland. Half of the line's stations are shared with the Blue Line and over two thirds are shared with the Silver Line. Orange Line service began on November 20, 1978.

Vienna station is a Washington Metro station on the Orange Line in Fairfax, Virginia. The station is in the median of Interstate 66 at Nutley Street, also known as Virginia State Route 243, in Fairfax.