Henkel is a surname. Notable people with the surname include:
Andrea Henkel (born 1977), German biathleteCaesar Carl Hans Henkel (1837-1913), German-born South African forester, cartographer, painter, soldier and botanistErnest Henkel (1873-1935), manager of the Metropolitan OperaHeike Henkel (born 1964), German former athleteHenner Henkel (1915-1942), German tennis playerHerbert L. Henkel, CEO of Ingersoll RandJohn Spurgeon Henkel (1871-1962), South African botanist and foresterKim Henkel, American screenwriter, film director and producerKim Henkel, creator of ZTreeWinManuela Henkel (born 1974), German cross-country skierRainer Henkel (born 1964), former freestyle swimmer