Undertone

Undertone or Undertones may refer to:

Music

 * Undertone series, a sequence of notes that results from inverting the intervals of the overtone series
 * The Undertones, Northern Irish band
 * The Undertones (album), 1979 album by The Undertones
 * Northwestern Undertones, a cappella group at Northwestern University, Evanston, Illinois, United States

Other uses

 * Operation Undertone, part of the Allied invasion of Germany in World War II
 * Undertone (advertising company), a New York-based digital advertising company
 * An underlying or implied tendency or meaning; a subtext
 * Skin undertone, as it applies to cosmetics; see color analysis (art)