An actuating device (1) for a lock of a vehicle, which is arranged, or can be arranged, on a vehicle, wherein the actuating device (1) has an actuating component (10), which is to be grasped manually and which can be brought from a stowed position into a standby position, wherein the stowed position is a position in which the actuating component (10) to be grasped is stowed and wherein the standby position is a position in which the actuating component can be grasped by a user, wherein the actuating component (10) is operatively connected, or can be operatively connected, to at least the lock of the vehicle in such a way that the lock can be opened by actuating the actuating component. A vehicle door having such an actuating device and a vehicle having such a vehicle door are also contemplated.