David Richmond Gergen (May 9, 1942 - July 10, 2025) was an American political commentator and former presidential adviser who served during the administrations of Richard Nixon, Gerald Ford, Ronald Reagan, and Bill Clinton. He was a senior political analyst for CNN and a professor of public service and the founding director of the Center for Public Leadership at the Harvard Kennedy School.

Gergen is also the former editor at large of U.S. News & World Report and a contributor to CNN.