The title of this article is ambiguous. For other meanings, see Hamburger (disambiguation).

A hamburger (pronunciation: [Zum Anhören bitte klicken!Abspielenˈhamˌbʊʁɡɐ] or [Zum Anhören bitte klicken!Abspielenˈhɛmˌbœːɐ̯ɡɐ]; burger for short) is a sandwich common throughout the world, consisting of a special bun topped with various toppings, but mainly a grilled slice of ground beef (the patty, a type of ground steak). It often serves as a hot quick or ready meal as a standard item in many fast food chains, but is increasingly finding its way into classic and even upscale restaurants.