The utility model relates to the technical field of automobile parts, in particular to a vehicle door rearview mirror mounting structure and a vehicle. The vehicle door rearview mirror mounting structure comprises a vehicle door inner plate, an outer windowsill reinforcing plate and a rearview mirror mounting plate, the rearview mirror mounting plate comprises a main body part, a first side part, a second side part, a third side part and a fourth side part, and part of the main body part is attached to and connected to the outer windowsill reinforcing plate. The first side part and the second side part are connected to the two opposite ends of the main body part correspondingly, and a first reinforcing cavity can be defined by the automobile door inner plate, the first side part, the main body part and the second side part. The third side part and the fourth side part are connected to the two opposite ends of the main body part in the second preset direction respectively, a second reinforcing cavity is defined by the third side part, the main body part and the outer windowsill reinforcing plate, and a third reinforcing cavity is defined by the fourth side part, the main body part and the outer windowsill reinforcing plate. The vehicle door rearview mirror installation structure and the vehicle are provided to solve the problems that an existing rearview mirror installation structure is large in part number, large in weight and low in percent of pass.