Knopf is a German surname meaning "button", and may refer to: Alfred A. Knopf, American publisher Edwin H. Knopf, American film producer, director and screenwriter Heinrich Knopf, German luthier Jim Knopf, computer specialist Maike-Katrin Knopf, German footballer Philip Knopf, member of the United States House of Representatives from Illinois Rainer Knopff, Canadian political scientist Sigard Adolphus Knopf, German-American physician. Wikipedia