A control device for a vehicle opening/closing body, the control device comprising: a closing switch that is provided in an opening/closing body of a vehicle to cause the opening/closing body to perform a closing operation; a sound generator configured to generate a first sound and a second sound; and an electronic control unit configured to determine whether a user operating a closing switch that is provided in an opening/closing body of a vehicle to cause the opening/closing body to perform a closing operation performs a normal operation or a specific operation on the closing switch, the electronic control unit being configured to cause the opening/closing body to perform the closing operation when the electronic control until determines that the normal operation is performed, and to cause the opening/closing body to perform the closing operation, and to lock the vehicle when the electronic control unit determines that the specific operation is performed, wherein the electronic control unit is configured to generate a first sound when the electronic control unit determines that the normal operation is performed, and to generate a second sound different to the first sound when the electronic control unit determines that the specific operation is performed, the electronic control unit is configured such that, when the electronic control unit determines that a first operation is performed on the closing switch by the user, the electronic control unit determines that the normal operation is performed, the electronic control unit is configured such that, when the electronic control unit determines that a second operation is performed on the closing switch by the user within a prescribed time after the first operation is performed on the closing switch by the user, the electronic control unit determines that the specific operation is performed, and locks the vehicle. a closing switch that is provided in an opening/closing body of a vehicle to cause the opening/closing body to perform a closing operation; a sound generator configured to generate a first sound and a second sound; and an electronic control unit configured to determine whether a user operating a closing switch that is provided in an opening/closing body of a vehicle to cause the opening/closing body to perform a closing operation performs a normal operation or a specific operation on the closing switch, the electronic control unit being configured to cause the opening/closing body to perform the closing operation when the electronic control until determines that the normal operation is performed, and to cause the opening/closing body to perform the closing operation, and to lock the vehicle when the electronic control unit determines that the specific operation is performed, wherein the electronic control unit is configured to generate a first sound when the electronic control unit determines that the normal operation is performed, and to generate a second sound different to the first sound when the electronic control unit determines that the specific operation is performed, the electronic control unit is configured such that, when the electronic control unit determines that a first operation is performed on the closing switch by the user, the electronic control unit determines that the normal operation is performed, the electronic control unit is configured such that, when the electronic control unit determines that a second operation is performed on the closing switch by the user within a prescribed time after the first operation is performed on the closing switch by the user, the electronic control unit determines that the specific operation is performed, and locks the vehicle.