Knopf (also spelt Knopff) is a German surname meaning "button", and may refer to:

• Adolph Knopf (1882–1966), American geologist
• Alfred A. Knopf (1892–1984), American publisher
• Edwin H. Knopf (1899–1981), American film producer, director and screenwriter
• 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

• Fernand Khnopff, Belgian artist

This page lists people with the surname Knopf.
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