Młynarski is a Polish surname meaning Miller (surname). Notable people with the surname include:

• Danuta Hübner née Młynarska (born 1948), Polish politician
• Emil Młynarski (1870–1935), Polish conductor
• Feliks Młynarski (1884–1972), Polish banker, philosopher and economist
  • Młynarski dilemma
• Mieczysław Młynarski (born 1956), Polish basketball player
• Nela Młynarska, ballerina, Arthur Rubinstein wife
• Tomasz Młynarski (born 1977), Polish political scientist
• Wojciech Młynarski (1941–2017), Polish musician

• Andrew Mynarski
• Młynarska Wola