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
- 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
edit- Fernand Khnopff, Belgian artist