Borderline or border line may refer to: The line demarcating a border Borderline personality disorder, a psychological disorder "Borderline" (song), a song by Madonna from her self titled debut album "Borderline" (Michael Gray song) "Borderline" (Chris de Burgh song) Borderline (Brooks & Dunn album), a 1996 album by Brooks & Dunn Borderline (Ry Cooder album), a 1980 album by Ry Cooder Borderline (band), a Vancouver based band Borderline Records Borderline (1930 film), a movie starring… (More on Borderline)