Unfaithful

Unfaithful may refer to:
 * Someone who is infidel
 * Someone who acts infidelity

Film and television

 * Unfaithful (1918 film), a silent short film directed by Thomas H. Ince and Charles Miller
 * Unfaithful (1931 film), directed by John Cromwell
 * The Unfaithful (1947 film), a film noir
 * The Unfaithful (1953 film), a Mexican drama film
 * Unfaithful (2002 film), a 2002 film starring Diane Lane and Richard Gere
 * "Unfaithful" (House), a 2009 episode of House

Music

 * "Unfaithful" (song), a 2006 song by Rihanna
 * "Unfaithful", a 2009 song by Stornoway
 * "Los Infieles" (English: "The Unfaithful"), a song by Aventura