Białecki, feminine: Białecka; plural: Białeccy) is a Polish-language surname. It is a toponymic surname literally meaning "from Białcz".

Notable people with this surname include:

• Greg Bialecki, American attorney and government figure
• Irena Wiszniewska-Białecka (1947-2018), Polish lawyer, professor
• Małgorzata Białecka (born 1988), Polish windsurfer

• Róża Kolumba Białecka (1838-1887), Polish Venerable nun, the founder of the Polish community of Dominican Sisters of the Immaculate Conception

• Sebastian Białecki, Polish darts player

• Zbigniew Białecki, several people
  • Zbigniew Białecki, Polish chemical engineer, the namesake of the Bialecki ring
  • Zbigniew Białecki (born 1925), Polish politician, member of Parliament
  • Zbigniew Białecki (born 1933), Polish politician, member of Parliament

See also

• Białczyński, another surname with the etymology "from Białcz"
• Bielecki