The pet excrement catcher is configured for use with a companion animal. The pet excrement catcher is a device for capturing an elimination from the companion animal. The pet excrement catcher comprises an extension shaft, a capture structure, a hinge mechanism, and a grip. The extension shaft is an extension apparatus. The extension shaft is an adjustable structure such that the reach of the pet excrement catcher between a client and the companion animal is adjustable. The capture structure, the hinge mechanism, and the grip attach to the extension shaft. The capture structure is a mechanical structure used to collect the elimination from the companion animal. The hinge mechanism is a mechanical device that controls the operation of the capture structure. The grip is an accommodation that allows the user to manipulate the pet excrement catcher. The grip further illuminates the area around the companion animal.