The term "Knight" in the Code Geass universe may also refer to:
- The Knights of the Round, twelve elite Britannian knights under the direct command of the Emperor.
- The Order of the Black Knights, a Anti-Britannian vigilante group led by Zero.
- The pilot of any Knightmare Frame is technically considered a knight, (the name of the machine deriving from a "Knight's mare").
- The various Knight Orders of Britannia: Knights of St. Raphael and Knights of St. Michael
- The Glaston Knights, the personal knights of Cornelia li Britannia.
- A Knight of Honor that protects the female members of the Imperial Family.
- Knight an Honorary Title.