Crust may refer to: Common meanings Food Crust (baking), the outer layer composed of pastry or salt Crust, the bread foundation of pizza Bread crust, the dense surface layer of bread Physical sciences Crust (geology), the outer layer of a rocky planetary body Soil crust, the soil surface layer Arts, entertainment, and media Music Crust (album), by Sadist, 1997 Crust (band), an American band in the 1980s Crust (EP), by Sarcófago Crust punk, also known as crust, a music genre Other uses in arts, entertainment, and media The Crust, a television series, aired until 2005 on BBC One Other uses Crust (dermatology) Crust fungi, another name for corticioid fungi Crust, a a character in My Hero Academia See also Krusty the Clown, fictional character in The Simpsons television series Upper crust (disambiguation)