This glass roll 1 is provided with: a winding core 2; a film body F which is wound on the winding core 2 in a roll shape, and includes a glass film 3 and a scattering-prevention film 7 having a smaller width than the glass film 3; and a flange 8 provided on the winding core 2 and disposed at both ends of the film body F in the width direction. The film body F includes a deviation preventing film 6detachably disposed at an end side of the glass film 3 in the winding direction. The deviation preventing film 6 has a wide portion 6a having a greater width than the glass film 3.