A cover shield for a trailer coupler comprising an elongated hollow, tubular shield, internally sized to receive the forward portion of a trailer coupler and coupler means mounted thereon. The shield is preferably of flexible two-ply padded material and impervious to moisture. The shield includes a pouch-like portion sized to snugly encompass and cover the trailer coupler means. A seam means extends longitudinally from an aft opening toward the front opening and may be selectively manually opened to an open mode and closed to a closed mode.