Knave of Hearts may refer to:

• The Jack of Hearts in a deck of playing cards
• The Knave of Hearts, a recurring character in the American television show Once Upon a Time in Wonderland
• Knave of Hearts (Alice's Adventures in Wonderland), a character in Lewis Carroll's Alice's Adventures in Wonderland
• The Knave of Hearts (1925 book), a 1925 illustrated children's book by Louise Saunders with pictures by Maxfield Parrish
• The Knave of Hearts (1950 novel), a 1950 novel by Barbara Cartland, see Barbara Cartland bibliography
• The Knave of Hearts (1962 novel), a 1962 novel by Elizabeth Linington
• "Knave of Hearts" (novello), a music composition by Arthur Somervell
• The Knave of Hearts (1919 film), a 1919 British silent romance film
• Knave of Hearts (film), a 1954 film directed by René Clément
• Knave of Hearts (Martian area), an informal name for the area of Mars being explored by the spacecraft Phoenix

• Jack of Hearts (disambiguation)
• Queen of Hearts (disambiguation)
• King of Hearts (disambiguation)
• All pages with titles beginning with Knave of Hearts
• All pages with titles containing Knave of Hearts
• Hearts (disambiguation)
• Knave (disambiguation)