With a vehicle-mounted equipment operating device, upon receipt of an input from an operator by an operation input unit, and when any one of a plurality of vehicle-mounted instruments, for example, an air conditioner, exists on a line of sight of the operator, a control unit sets the vehicle-mounted instrument that exists on the line of sight as an operation target device, and thereafter, the control unit controls the operation target device based on the input of the operator that has been received by the operation input unit.