Suzaku Kururugi, also known as the White Knight, a character in the anime series Code Geass.

Knight (chess), a chess piece.

Scaled Composites White Knight, the aircraft used to carry and launch Scaled Composites SpaceShipOne, the privately funded experimental spacecraft that won the Ansari X Prize.

White Knight Story, a video game under development by Level-5 for the PlayStation 3

The White Knight, an extinct hereditary Anglo-Norman title of nobility used in Ireland (as an example, Edmund Fitzgibbon, a holder of the title during the Tudor period).

White knight (business), a corporation, private company, or person that intends to help a firm.

Scaled Composites White Knight Two, the technological successor.

White Knights of the Ku Klux Klan, one of the most violent and militant branches of the Ku Klux Klan.

Black Knight

White Knight (chocolate), an Australian mint flavoured chocolate candy bar.

The White Knight (book), a 1952 biography of Lewis Carroll

A generic term for a Knight-errant, Paladin, or "knight in shining armor."

HMM-165 is medium helicopter squadron in the United States Marine Corps with the nickname White Knights.

Lewis Carroll himself; The White Knight is a character in Through the Looking Glass which resembles the chess-piece. The character is based on himself; it is a bumbling but kindly old man with a penchant for useless inventions.

White Knight, one of the founders of L0pht and a member of the hacker group Cult of the Dead Cow.

"The White Knight" (Cledus Maggard song), a 1976 hit single by Cledus Maggard based on the citizens band radio fad of the 1970s.