Winternitz (surname)
Winternitz is a surname of Jewish pedigree originated from Vintířov. Notable people with the surname include:

 Adolfo Winternitz, also Adolf Gustav Winternitz (1906–1993), Austrian-Peruvian Jewish painter
  (1893–1961), British mathematician
 Emanuel Winternitz (1898–1983) curator emeritus of the Department of Musical Instruments of the New York City Metropolitan Museum of Art; musicologist, "father of the field of musical iconography"
  (1882–1971), Austrian author, first wife of Stefan Zweig
 Helen Winternitz, contemporary writer
  (1868–1934), Austrian and German physician
  (1896–1952), Marxist politician, economist
 Judith Winternitz, Australian writer 
  (1880–1958), Austrian female singer
 Moriz Winternitz (1863–1937), Austrian Jewish indologist
 Moshe Dovid Winternitz (1855–1944), Head of the Beth din Rabbinical Court in Satmar, Hungary; killed in Auschwitz concentration camp
 Pavel Winternitz (born 1936), Czechoslovakian and Canadian mathematical physicist
  (1861–1929), German painter
 Roland Winters, born Roland Winternitz (1904–1989), American actor
 Wilhelm Winternitz, (1834–1917), Austrian balneologist

Jewish families
Czech Jews
Surnames of Czech origin

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