A clone officer referred to a clone trooper who served as an officer in the Galactic Republic's Grand Army of the Republic during the Clone Wars. Those serving in the Republic Navy were known as clone naval officers.
- Star Wars: The Clone Wars: The Visual Guide
- The Complete Star Wars Encyclopedia, Vol. I, II ("Cody Clone Commander"; "Rex, Captain")
- The Clone Wars Campaign Guide
- Star Wars: The Clone Wars Character Encyclopedia
- Star Wars: The Clone Wars: Visual Guide Ultimate Battles
- Star Wars: The Clone Wars: New Battlefronts: The Visual Guide
- The Essential Guide to Warfare