Bill Spangler (born 1 February) is a comic book writer who has worked on a rather large amount of Robotech comics, such as Robotech II: The Sentinels: The Malcontent Uprisings, Robotech: Invid War, Robotech II: The Sentinels: CyberPirates, Robotech: Return To Macross, and most recently Robotech/Voltron.