Weinstock () is a Jewish and a German surname. Notable people with this surname include:
Anna Weinstock Schneider (1895-1979), American labor conciliator Arnold Weinstock (1924–2002), English businessman Bob Weinstock (1928–2006), founder of Prestige Records Carol Weinstock (1914–1971), American artist and educator Eleanor Frank Weinstock (born 1929), American former politician Evan Weinstock (born 1991), American Olympic bobsledder George Weinstock (born 1949), American geneticist and microbiologist Gertrude Weinstock (1904–1985), American pianist Harris Weinstock (1854–1922), American businessman in Sacramento, California Herbert Weinstock (1905–1971), American music historian Izzy Weinstock (1913–1997), American football player Jack Weinstock (died 1969), American author and playwright Judith Weinstock (born 1940), Israeli author Julian Weinstock (c. 1922–1993), American architect, real estate contractor and philanthropist from Los Angeles, California Maia Weinstock, American Wikipedia editor and Lego enthusiast Marcus Weinstock (born 1984), Swedish professional ice hockey player Sophia Petrillo, fictional character in TV series The Golden Girls and its spinoffs (full name: Sophia Angelo Spirelli Petrillo Weinstock) Sylvia Weinstock, American baker and cake-decorator Todd Weinstock, American guitarist and producer Ulf Weinstock (born 1952), ice hockey player who played for the Swedish national team