A deceleration control apparatus for controlling a deceleration value of a vehicle, including a plurality of deceleration-value setting devices, a target-deceleration-value control portion operable to change a target deceleration value of the vehicle according to an operation of each of the deceleration-value setting devices, and a brake control portion operable to control a braking force to be applied to the vehicle, according to the target deceleration value changed by the target-deceleration-value control portion, wherein the target-deceleration-value control portion is operable to successively change the target deceleration value of the vehicle in response to successive operations of one and another of the plurality of deceleration-value setting devices such that the target deceleration value changed according to the operation of the above-indicated one deceleration-value setting device is subsequently changed according to the operation of the above-indicated another deceleration-value setting device.