Behr is a surname of German origin. Notable people with this surname include:
Barbara Behr, photographer, film director and magazine editor
Bernd Behr (born 1976), German artist
Bill Behr (1919–1997), American professional basketball player
Dani Behr (born 1971), British television presenter and singer
Franz Behr (1837–1898), German composer
Hans Hermann Behr (1818–1904), German-American botanist and entomologist
Ira Steven Behr, American television producer and scriptwriter
Jason Behr (born 1973), American actor
Mark Behr (1963–2015), South African author
Noam Behr (born 1975), tennis player
Therese Behr (1876–1959), German contralto (married name: Schnabel)
William Joseph Behr (1775–1851), German writer
Winrich Behr (1918–2011), German soldier