Moff was a rank held by sector governors of the First Galactic Empire. In the fifth year of Emperor Sheev Palpatine's reign, there was a fixed number of twenty Moffs, who answered to the Imperial Ruling Council. That year, the senior rank of Grand Moff was created and awarded to Wilhuff Tarkin.
- Lords of the Sith
- "Mercy Mission"
- Servants of the Empire: The Secret Academy (Mentioned only)
- Lost Stars
- Star Wars: Episode IV A New Hope (First appearance)
- Heir to the Jedi (Mentioned only)
- Star Wars 1: Skywalker Strikes (Mentioned only)
- Star Wars: Lando, Part I
- Battlefront: Twilight Company (Mentioned only)
- Star Wars: Episode VI Return of the Jedi
- "Blade Squadron: Zero Hour"—Star Wars Insider 160 (Mentioned only)