Clutter and its derivations may refer to any of the following: Excessive physical disorder Clutter, a confusing, or disorderly, state or collection, and possible symptom of compulsive hoarding Clutter (marketing), numerous advertisements, announcements and promotions in media and radio, unrelated to the main presentation Clutter (radar), unwanted echoes in electronic systems Clutterers Anonymous, a twelve-step program for people who share a common problem with accumulation of clutter Visual clutter, or visual pollution People Clutter family, victims of the 1959 Clutter family murders Arts, entertainment, and media Clutter (album) Clutter (film) Clutter, a Portuguese djent/progressive/groove metal band Other uses Clutter (software), a GNOME software library for graphics Clutter, a Sperner family of sets (i.e., no set in the family contains any other) Cluttering, a speech and communication disorder when speech becomes broken or sounds nervous