A luggage identifier, which is disposed on a luggage case or a luggage bag, includes a chassis and an identifying device, wherein the chassis includes a retaining space. The identifying device is disposed in the retaining space. The identifying device includes an identifying unit and a circuit board. The identifying unit is connected to the circuit board with a power switch connected therebetween. Accordingly, the user can easily and quickly identify his/her luggage case by recognizing the identifying device, thereby saving time on looking for the luggage case, and preventing himself/herself from claiming a luggage of other people.
