Upper crust

Upper crust most commonly refers to:
 * The upper class in modern societies; the social class composed of the wealthiest members of society, who also wield the greatest political power

Upper crust may also refer to:


 * Upper Crust (restaurant chain), a chain of European baguette (sandwich) restaurants
 * Upper Crust Pizzeria, a pizza chain in Boston
 * The Upper Crust, a Boston-based hard rock band
 * Crust (geology), the earth's (or another body's) geological solid outer shell