迈克尔·B·切尔托夫（Michael B. Chertoff，1953年11月28日－），犹太人，美国政治家，美国共和党成员，《美国爱国者法案》起草人之一，前美国国土安全部长（2005年至2009年）。

Michael Chertoff (born November 28, 1953) is an American attorney who was the second United States Secretary of Homeland Security under Presidents George W. Bush and (for one day) Barack Obama, and co-author of the USA PATRIOT Act. He previously served as a judge on the United States Court of Appeals for the Third Circuit, as a federal prosecutor, and as Assistant U.S. Attorney General. He succeeded Tom Ridge as United States Secretary of Homeland Security on February 15, 2005.