An alignment apparatus suited for aligning structural members, such as, but not limited to pipes, structural beams, lumber, or any other suitable member. The alignment apparatus comprises a mounting base, an alignment receiver, and a fastening element. The mounting base comprises a first mounting body, a mounting cavity, and a second mounting body. The alignment receiver comprises a first receiver panel, an alignment cavity, a fastening aperture, and a second receiver panel. The mounting base is perpendicularly connected adjacent to the alignment receiver. The first receiver panel and the second receiver panel are vertically connected adjacent to the mounting base. The alignment cavity is positioned between the first receiver panel and the second receiver panel. The fastening aperture traverses through the first receiver panel. The fastening element is selectively connected along the fastening aperture.