To provide a vibration control device for preventing the occurrence of crack in a cylindrical portion of an outer cylinder member having a flange portion while securing force of preventing the come-off of a cylindrical fixed member pressed and fixed thereinto.

The resin outer cylinder member 10 has the cylindrical portion 11 to be pressed inside the cylindrical fixed member 2, and the flange portion 12 extending radially outward from one axial end of the cylindrical portion 11. At least one axial end of the cylindrical portion 11 is ring-shaped with the whole periphery joined. One axial end in a press-in range L2 where the cylindrical fixed member 2 is pressed into the outer peripheral face of the cylindrical portion 11 is located a predetermined distance L3 from the flange portion 12. The flange portion 12 has a cutout 12a formed radially inward from the outer peripheral edge.