Alan Glenn Haller is a retired professional American football player who played defensive back in the National Football League with the Pittsburgh Steelers, Cleveland Browns and Carolina Panthers. Haller was drafted in the 5th round of the 1992 draft by the Pittsburgh Steelers. He would play his first three games with the Steelers before he was released and signed with the Cleveland Browns where he played another three games. He returned to the Steelers in 1993 and joined the expansion Carolina Panthers in 1995 before retiring after the 1995 season. In his professional career, Haller played only 12 games in three seasons, earning no starts and no statistics. Though he was a defensive back, Haller played mostly as a special teams player.