Laski or Łaski (Polish feminine: Łaska, plural: Łascy) is a surname. Notable people with the surname include:
Albert Łaski, Polish alchemistJan Łaski (1456–1531), Polish chancellor and archbishopHieronymus Jaroslaw Łaski (1496-1542), Polish palatine and diplomat, a nephew of Archbishop ŁaskiJan Łaski (1499–1560), Polish Protestant evangelical reformer, a nephew of Archbishop Łaski and the son ofNeville Laski (1890-1969), English judge and leader of Anglo-Jewry.Harold Laski (1893-1950), English political theorist, economist, author, and lecturerMarghanita Laski (1915-1988), English journalist, radio panellist and novelistMichael Laski, founder of the Communist Party USA (Marxist-Leninist)Kazimierz Laski (born 1921), Polish-Austrian economist