Abstract: A trailer alignment apparatus for facilitating alignment of the ball coupler on a gooseneck trailer or a tongue-mounted coupling trailer with the hitch ball on a towing vehicle. In a first embodiment, the trailer alignment apparatus is designed for use with gooseneck trailers and mounts in the bed of a pickup truck and supports a pivoting alignment indicator over the hitch ball in the truck bed. As the pickup truck is backed toward the stationary gooseneck trailer, the alignment indicator eventually contacts the vertical gooseneck hitch post on the trailer and pivots from an angled to a vertical position to indicate to the pickup truck driver that the gooseneck-type ball coupler on the hitch post is in precise vertical alignment with the hitch ball.