The line that runs between Osaka Station and Sasayamaguchi Station on the Tokaido Main Line, which includes the line between Osaka Station and Amagasaki Station, is fondly referred to as the JR Takarazuka Line.
東海道本線の大阪～尼崎間を含む大阪～篠山口間にJR宝塚線（ジェイアールたからづかせん）の愛称がある。