A vehicular lane departure prevention control apparatus calculates first and second departure amounts based on lane line position information and obstacle position information, sets braking forces for lane departure prevention control based thereon, and outputs the braking forces to a brake control unit, the braking forces for generating a yaw moment and a deceleration to a subject vehicle and preventing the vehicle from departing with respect to the lane line and obstacle, while setting a departure level for target pump motor rotation speed setting based on a vehicle speed, a difference of the steering wheel angle from a crossing angle and the first departure amount, setting a target rotation speed for a pump motor of a hydraulic unit in a brake control unit based thereon, and then outputting the target rotation speed to the brake control unit so as to variably control the rotation speed of the pump motor.