The Biwako Line is the name of the train line that runs between Kyoto Station and Maibara Station of the Tokaido Main Line, and also between Maibara Station and Nagahama Station of the Hokuriku Main Line, both of which are run by West Japan Railway Company (JR West).
琵琶湖線（びわこせん）は、西日本旅客鉄道（JR西日本）東海道本線京都駅～米原駅間と北陸本線米原駅～長浜駅間の愛称である。