Georgette Mosbacher (née Paulsin; January 16, 1947) is an American business executive, entrepreneur, political activist who served as the United States Ambassador to Poland from 2018 to 2021. She is the chairman of the Green Beret Foundation advisory board, and a Fox News contributor. On November 19, 2015, President Barack Obama nominated her as a member of the United States Advisory Commission on Public Diplomacy.

Mosbacher started her career as an executive in 1987 when she purchased the struggling cosmetics firm La Prairie, outbidding companies such as Revlon, Avon, and Estee Lauder. After selling La Prairie in 1991 to Beiersdorf for a profit, in the 1990s she founded Georgette Mosbacher Enterprises, her own business and finance consulting company. From 2000 to 2015 she served as CEO of Borghese, a cosmetics manufacturer based in New York City. Mosbacher authored two motivational books for women in the 1990s: Feminine Force through Simon & Schuster and It Takes Money Honey through HarperCollins.

Active in American politics, Mosbacher previously served as a co-chair of the Republican National Committee’s Finance Committee, and she was the first woman to serve as the general chairman of the Republican Governors Association. Mosbacher has been noted in the media for her private fundraising events since the 1990s, and after supporting John McCain's bid for senate in 1998, she served as national co-chairman of McCain's 2000 presidential campaign and also anchored fundraising efforts for campaigns such as Bush Cheney '04. Involved with a number of non-profit organizations, in 1995 she founded the New York Center for Children, which aims to assist abused children and their families. A fellow at the Foreign Policy Association, she is a board-member for Business Executives for National Security (BENS) and the Atlantic Council, among other organizations.

On February 14, 2018, President Donald Trump nominated Mosbacher to be Ambassador to the Republic of Poland. On July 12, 2018 her nomination was confirmed by the United States Senate by voice vote. On December 26, 2020, Mosbacher announced her intent to resign, effective January 20, 2021.