Knight is an English term for the European social position of lowest aristocratic rank. Knight may also refer to:

Knight Rider, 80s Television series

Knights who say Ni, humorous characters from Monty Python and the Holy Grail

Knight, a fictional character from the Duel Masters TV-Show

Knight (chess), one of the pieces in the game of chess

Knight (surname)

Knight of Glin, hereditary title in the Fitzgeralds of Limerick clan since the early 13th century

Knight, Wisconsin

Knight (comics), a DC Comics character called "the Batman of England"

Knight Inlet

Knight of Kerry, one of three Anglo-Irish hereditary knighthoods

Knights are court cards of Tarot decks and Latin suited playing cards. There is one for each of the suits, a Knight of Coins, Knight of Wands, Knight of Cups, and Knight of Swords.

Jedi Knight, the Force-wielding warrior in the Star Wars universe.

The Knight (novel) (2004), the first book of Gene Wolfe's The Wizard Knight series.