Ronald Chernow is an American writer, journalist, and biographer. He is renowned for his bestselling historical non-fiction biographies.

Chernow won the 2011 Pulitzer Prize for Biography and the 2011 American History Book Prize for his 2010 book Washington: A Life. He also received the National Book Award for Nonfiction for his 1990 book The House of Morgan: An American Banking Dynasty and the Rise of Modern Finance.

His biographies of Alexander Hamilton (2004) and John D. Rockefeller (1998) were both nominated for the National Book Critics Circle Awards. The biography of Hamilton inspired the popular Hamilton musical, for which Chernow served as a historical consultant. In addition, his book The Warburgs: The Twentieth-Century Odyssey of a Remarkable Jewish Family earned him the 1993 George S. Eccles Prize for Excellence in Economic Writing.

As a freelance journalist, Chernow has written over sixty articles for various national publications.