Kurzweil is a surname. Notable people with the surname include:
Allen Kurzweil (born 1960), American writer
Arthur Kurzweil (born 1951), American genealogist, scholar of Judaism and writer
Baruch Kurzweil (1907–1972), Israeli literary critic
Edith Kurzweil (born 1925), American writer and editor
Jaroslav Kurzweil (born 1926), Czech mathematician
Max Kurzweil (1867–1916), Austrian painter and printmaker
Ray Kurzweil (born 1948), American inventor, author and futurist
Kurzweil Music Systems, company founded by Ray Kurzweil that produces electronic musical instruments
Kurzweil Educational Systems, company founded by Ray Kurzweil that produces reading and writing software
