The Yokosuka Line(横須賀線,Yokosuka-sen) is a railway line in Japan operated by the East Japan Railway Company (JR East).
The Yokosuka Line connects Tokyo Station with Kurihama in Yokosuka, Kanagawa. Officially, the name Yokosuka Line is assigned to the 23.9km segment between Ōfuna and Kurihama stations, but the entire route is commonly referred to as the Yokosuka Line by JR East for passenger service.