Andreae is a surname of Germanic origin. The name may refer to:
- Charles Andreae (1906–1970), English cricketer
- Giles Andreae (b. 1966), British poet, artist, and greeting card writer
- Hieronymus Andreae (b. unknown, d. 1556), German woodblock cutter, printer, publisher, and typographer
- Jakob Andreae (1528–1590), German Lutheran theologian, signatory of the 1577 Formula of Concord
- Johannes Valentinus Andreae (1586–1654), German theologian
- Julian Voss-Andreae (b. 1970), German sculptor living and working in the USA
- Kerstin Andreae (b. 1968), German politician and member of Alliance '90/The Greens in the Bundestag
- Laurentius Andreae (1470–1552), Swedish clergyman and scholar, one of the main proponents of the Swedish Protestant reformation
- Percy Andreae (fl. early 20th-c.), American anti-prohibitionist
- Volkmar Andreae (1879–1962), Swiss conductor and composer
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