Knopf (also spelt Knopff) is a German surname meaning "button", and may refer to:
Adolph Knopf (1882–1966), American geologist
Alfred A. Knopf Sr. (1892–1984), American publisher, husband of Blanche
Blanche Knopf (1894-1966), American publisher, wife of Alfred A. Sr Brent Knopf, founder of the American indie rock band Ramona Falls Brigitte Knopf (born 1973), German climatologist
Edwin H. Knopf (1899–1981), American film producer, director and screenwriter Eleanora Knopf (1883–1974), American geologist Heinrich Knopf (1839–1875), German luthier Jim Knopf, computer specialist Maike-Katrin Knopf (born 1959), German footballer
Philip Knopf (1847–1920), member of the United States House of Representatives from Illinois Rainer Knopff, Canadian political scientist Sigard Adolphus Knopf (1857–1940), German-American physician
See also
Fernand Khnopff, Belgian artist