Schlegel is a German surname. Notable people with the surname include:
Johann Elias Schlegel (1719 –1749), German critic and dramatic poet, brother of Johann Adolf
Johann Adolf Schlegel (1721 – 1793), German poet and clergyman, father of August Wilhelm and Friedrich
Dorothea von Schlegel (1764 – 1839), German novelist and translator, wife of Friedrich Schlegel
August Wilhelm Schlegel (1767 –1845), German poet, older brother of Friedrich
Karl Wilhelm Friedrich Schlegel (1772 – 1829), German poet and philosopher, younger brother of August Wilhelm
Hermann Schlegel (1804 – 1884), German ornithologist and herpetologist
Johan Frederik Schlegel (1817 – 1896), Danish civil servant & Governor-General of the Danish West Indies
Gustaaf Schlegel (1840 – 1903), Dutch sinologist and field naturalist
Victor Schlegel (1843–1905), German mathematician
Karl Schlegel (aviator) (1893 – 1918), German World War I flying ace
Frits Schlegel (1896 - 1965), Danish architect
Margarete Schlegel (1899 – 1987), German actress
Helmut Schlegel (born 1943), German Franciscan, priest, author, meditation instructor, songwriter
John P. Schlegel (born 1943), President of Creighton University and Jesuit
Richard Schlegel, American scientist and professor, chair of the department of pathology at Georgetown University
Hans Schlegel (born 1951), German astronaut
Norbert Schlegel (born 1961), German former footballer and coach
Elfi Schlegel (born 1964), former Canadian gymnast and sportscaster for NBC Sports
Brad Schlegel (born 1968), Canadian ice hockey player
Lynda Schlegel-Culver, Republican politician from the U.S. commonwealth of Pennsylvania
Anthony Schlegel (born 1981), former American football linebacker
Carmela Schlegel (born 1983), retired Swiss swimmer