Wieckowski or Więckowski (feminine: Więckowska; plural: Więckowscy) is a Polish surname. Notable people with the surname include:
Andrzej Więckowski (1945–2019), Polish-American scientist Bob Wieckowski (born 1955), American attorney and politician Ewa Więckowska (born 1958), Polish politician Irena Więckowska (born 1982), Polish sabre fencer Jan Więckowski (1923–2008), Polish military officer Marian Więckowski (1933–2020), Polish racing cyclist Mirosław Więckowski (born 1952), Polish luger
See also Josh Winckowski (born 1998), American baseball player