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 particularly in the Britannian military (the name of the machine deriving from a "Knight's mare").
- The term also refer to ranking and elite Britannian military officers and knightmare pilots that operate outside the Britannian military.
- 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.
- A member of one of the Euro-Britannian Knightly Orders