Kurzweil may refer to:
- Allen Kurzweil (born 1960), an American writer
- Arthur Kurzweil (born 1951), an American genealogist, scholar of Judaism and writer
- Baruch Kurzweil (1907–1972), an Israeli literary critic
- Jaroslav Kurzweil (born 1926), a Czech mathematician
- Max Kurzweil (1867-1916), an Austrian painter and printmaker
- Ray Kurzweil (born 1948), an American inventor, author and futurist
- Kurzweil Music Systems, a company founded by Ray Kurzweil that produces electronic musical instruments
- Kurzweil Educational Systems, a company founded by Ray Kurzweil that produces reading and writing software
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