Blumenfeld is a surname. Notable people with the surname include:
Alan Blumenfeld, American actor
Amir Blumenfeld, Israeli-American writer and comedian
Anat Blumenfeld, Israeli biochemist
Benjamin Blumenfeld (1884–1947), Russian chess player
Erwin Blumenfeld (1897–1969), German-American photographer
Fannie Zeissler (born Blumenfeld) (1863–1927), Austrian-American pianist
Felix Blumenfeld (1863–1931), Russian composer, conductor, and pianist
Hugh Blumenfeld (b. 1958), American folk musician
Isadore Blumenfeld (commonly Kid Cann, 1900–1981), American mobster
Lane H. Blumenfeld (b. 1967), American lawyer
Lev Blumenfeld (linguist), Canadian linguist
Lev Blumenfeld (physicist), Soviet Russian physicist
Samuel Blumenfeld, American author and educator
Simon Blumenfeld (1907–2005), English columnist, novelist, playwright and editor