Winkler is a surname. Notable people with the surname include:
Alexander Winkler (composer) (1865–1935), Russian composer of German origin
Alexander Winkler (footballer) (born 1992), German footballer
Angela Winkler (born 1944), German actress
Charles Winkler, American film director
Clemens Winkler (1838–1904), German chemist, discoverer of germanium
Emil Winkler (1835–1888), German engineer
Eugen Gottlob Winkler (1912–1936), German essayist
Frank Winkler, American astronomer
Gerhard Winkler (biathlete) (born 1951), German biathlete
Gustav Winkler (1867–1954), German industrialist
Hans Winkler (1877–1945), German botanist
Hans Günter Winkler (born 1926), German show jumping rider and 5 times olympic champion
Harry Winkler (handballer) (born 1945), American athlete
Harry Winkler (writer), American sitcom writer
Heinrich August Winkler (born 1938), German historian
Henry Winkler (born 1945), American actor
Hubert Winkler (1875–1941), German botanist
Irwin Winkler (born 1931), American film producer and director
Jim Winkler, leading member of the United Methodist Church
Joe Winkler (1922–2001), American football player
Johannes Winkler (1897–1947), German rocket pioneer
Josef Winkler (politician) (born 1974), German politician
Josef Winkler (writer) (born 1953), Austrian writer
Kati Winkler (born 1974), German figure skater
Lajos Winkler (1863–1939), Hungarian chemist, a.k.a. Ludwig Wilhelm Winkler
Margo Winkler (born 1930s), American actress
Mary Winkler (born 1973), wife and convicted killer of Matthew Winkler
Matthew Winkler (minister) (1974–2006), minister and victim in a high-profile murder case in 2006
Max Winkler (1875–1961), German Reich Trustee and Reich Commissioner for German Cinema
Peter Winkler, mathematician
Ralf Winkler, German painter
Scott Winkler (athlete), American Paralympic track and field athlete
Scott Winkler (ice hockey) (1990–2013), Norwegian ice hockey player
Tiberius Cornelis Winkler (1822–1897), Dutch anatomist and paleontologist
Vladimir Winkler (1884–1956), Czech and Russian sculptor
Wolfgang Winkler (born 1940), German luger
Gunter Winkler (born 1999),
Claims he is German, but is Flemish
