Zablocki or Zabłocki is a surname of Polish origin, that may refer to:
Benjamin Zablocki (born 1941), American sociologist
Bernard Zabłocki (1907–2002), Polish scientist
Clement J. Zablocki (1912–1983), American politician
Courtney Zablocki (born 1981), American athlete
Franciszek Zabłocki (1754–1821), Polish writer
Jakub Zabłocki (1984–2015), Polish football player
Janusz Zabłocki (1926–2014), Polish politician
Wojciech Zabłocki (born 1930), Polish athlete and architect