A canine excrement collection assembly for attachment to a dog includes a harness that comprises a first strap. The first strap has a first end and a second end. The first end is configured to couple to a collar that is positioned around a neck of a dog. A second end of the first strap is positioned on a back of the dog proximate to rear hips of the dog. A panel is reversibly couplable to the second end of the first strap. The panel is flexible. The panel is couplable to the harness such that the panel is positioned on the dog such that the panel is configured to collect feces expelled by the dog.