A vehicle disturbance detection apparatus, comprising: a sensor device including a vehicle speed sensor configured to detect a vehicle speed, a steering angle sensor configured to detect a steering angle, a lateral acceleration sensor configured to detect a lateral acceleration of a vehicle, and a yaw rate sensor configured to detect a yaw rate of the vehicle; and an electronic control unit configured to execute determining whether a disturbance occurs in the vehicle based on detection signals from the sensor device, the disturbance being a lateral external force that causes the vehicle to veer in a direction different from a direction expected by a driver, calculating a first standard yaw rate estimable by using pieces of information related to the vehicle speed, the steering angle, the lateral acceleration, and predetermined vehicle specifications characterized in that said electronic control unit is further configured to execute J calculating a second standard yaw rate estimable by using the pieces of information related to the vehicle speed, the steering angle, and the vehicle specifications without using the piece of information related to the lateral acceleration, and determining that the disturbance occurs in the vehicle when a disturbance determination condition is established in a relationship among the first standard yaw rate, the second standard yaw rate, and an actual yaw rate, the disturbance determination condition including a cant traveling exclusion condition that is not established when the vehicle veers by traveling along a cant road but is established when the vehicle veers by receiving a crosswind, the actual yaw rate being the yaw rate detected by the yaw rate sensor. a sensor device including a vehicle speed sensor configured to detect a vehicle speed, a steering angle sensor configured to detect a steering angle, a lateral acceleration sensor configured to detect a lateral acceleration of a vehicle, and a yaw rate sensor configured to detect a yaw rate of the vehicle; and a vehicle speed sensor configured to detect a vehicle speed, a steering angle sensor configured to detect a steering angle, a lateral acceleration sensor configured to detect a lateral acceleration of a vehicle, and a yaw rate sensor configured to detect a yaw rate of the vehicle; and an electronic control unit configured to execute determining whether a disturbance occurs in the vehicle based on detection signals from the sensor device, the disturbance being a lateral external force that causes the vehicle to veer in a direction different from a direction expected by a driver, calculating a first standard yaw rate estimable by using pieces of information related to the vehicle speed, the steering angle, the lateral acceleration, and predetermined vehicle specifications characterized in that said electronic control unit is further configured to execute J calculating a second standard yaw rate estimable by using the pieces of information related to the vehicle speed, the steering angle, and the vehicle specifications without using the piece of information related to the lateral acceleration, and determining that the disturbance occurs in the vehicle when a disturbance determination condition is established in a relationship among the first standard yaw rate, the second standard yaw rate, and an actual yaw rate, the disturbance determination condition including a cant traveling exclusion condition that is not established when the vehicle veers by traveling along a cant road but is established when the vehicle veers by receiving a crosswind, the actual yaw rate being the yaw rate detected by the yaw rate sensor. determining whether a disturbance occurs in the vehicle based on detection signals from the sensor device, the disturbance being a lateral external force that causes the vehicle to veer in a direction different from a direction expected by a driver, calculating a first standard yaw rate estimable by using pieces of information related to the vehicle speed, the steering angle, the lateral acceleration, and predetermined vehicle specifications characterized in that said electronic control unit is further configured to execute J calculating a second standard yaw rate estimable by using the pieces of information related to the vehicle speed, the steering angle, and the vehicle specifications without using the piece of information related to the lateral acceleration, and determining that the disturbance occurs in the vehicle when a disturbance determination condition is established in a relationship among the first standard yaw rate, the second standard yaw rate, and an actual yaw rate, the disturbance determination condition including a cant traveling exclusion condition that is not established when the vehicle veers by traveling along a cant road but is established when the vehicle veers by receiving a crosswind, the actual yaw rate being the yaw rate detected by the yaw rate sensor.