Blanche Wolf Knopf (July 30, 1894 – June 4, 1966) was the president of Alfred A. Knopf, Inc. and wife of publisher Alfred Knopf, with whom she established the firm in 1915. Blanche and Alfred traveled the world seeking new authors. Blanche was especially influential in having European and Latin American literature translated into English and published in the United States. After World War II she was one of the first American publishers to travel to Europe, and from then on she was in charge of all European efforts of the firm.