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 Knights of the Round Uprising
- 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 refers to ranking and elite Britannian military units that operate outside the regular Britannian military. See the "Knight" section under the Britannian military for more information.
- The Glinda Knights
- The Glaston Knights, the personal knights of Cornelia li Britannia.
- The Knights of St. Raphael
- The Knights of St. Michael
- The Knights of St. Gabriel
- The Knights of St. Uriel
- The Knights of Euro Britannia
- A Knight of Honor that protects the female members of the Imperial Family.
- Knight an Honorary Title.
- A Knighting Ceremony
- A member of one of the Euro-Britannian Knightly Orders