A vehicle body structure includes a bumper beam extending in a vehicle width direction, and a pair of right and left bumper beam mounting members each disposed at an outer side in the vehicle width direction of a back face of the bumper beam and mounting the bumper beam on a front side frame. The bumper beam includes a first displacement promoting part that is provided at a mounting part for the bumper beam and the bumper beam mounting members and capable of promoting displacement of the bumper beam by a collision load. The bumper beam mounting member includes a second displacement promoting part that is provided at the mounting part and capable of promoting displacement of the bumper beam by a collision load.