John D. Hawke Jr. (June 29, 1933 – January 3, 2022) was an American lawyer and politician. He was the United States Under Secretary of the Treasury for Domestic Finance from 1995 to 1998 during the Bill Clinton presidency. He was the United States Comptroller of the Currency from 1998 to 2004 during the Clinton and George W. Bush presidencies. Hawke Jr. was born in New York City.