Kelly Lynn Loeffler (/ˈlɛflər/ LEF-lər; born November 27, 1970) is an American businesswoman and politician who has served as the 28th administrator of the Small Business Administration since 2025. A member of the Republican Party, she served as a United States senator from Georgia from 2020 to 2021.

Loeffler was the chief executive officer (CEO) of Bakkt, a subsidiary of commodity and financial service provider Intercontinental Exchange, of which her husband, Jeffrey Sprecher, is CEO. She is a former co-owner of the Atlanta Dream of the Women's National Basketball Association (WNBA). Loeffler is a member of the Republican Party.

Brian Kemp, the Republican governor of Georgia, appointed Loeffler to the U.S. Senate in December 2019 after Senator Johnny Isakson resigned for health reasons. Loeffler proved a consistent ally of President Donald Trump on key votes during her time in the U.S. Senate. Loeffler ran in the 2020 Georgia U.S. Senate special election, seeking to hold the seat until January 2023. She finished in the top two in the November 3 election, advancing to a runoff with Democrat Raphael Warnock held on January 5, 2021, where she narrowly lost by two percentage points. After the November 2020 election, Loeffler claimed that there had been unspecified failures in the 2020 U.S. presidential election. She later announced her intention to object to the certification of the Electoral College results in Congress. Loeffler ultimately withdrew her objection and voted for certification in January 2021.

In February 2025, Loeffler was confirmed as Administrator of the Small Business Administration in the second Trump administration.

Kelly Lynn Loeffler was born on November 27, 1970, in Bloomington, Illinois, to Don and Lynda (née Munsell) Loeffler, and raised on her family's corn and soybean farm in Stanford, Illinois. She has a brother, Brian. In 1988, she graduated from Olympia High School in Stanford, where she was in the marching band, ran cross-country and track, and played varsity basketball.

In 1992, Loeffler graduated with a Bachelor of Science in marketing from the University of Illinois Urbana-Champaign's Gies College of Business, where she was a member of the Alpha Gamma Delta sorority. After college, she worked for Toyota as a district account manager. In 1999, she graduated with a Master of Business Administration (MBA) in international finance and marketing from DePaul University's Kellstadt Graduate School of Business. She financed her graduate school tuition by mortgaging land inherited from her grandparents.

After earning her MBA, Loeffler worked for Citibank, William Blair & Company, and the Crossroads Group. In 2002, she joined Intercontinental Exchange, a commodity and financial service provider, in investor relations. She married the firm's CEO, Jeffrey Sprecher, in 2004. Loeffler was eventually promoted to senior vice president of investor relations and corporate communications. In 2018, she became the chief executive officer (CEO) of Bakkt, a subsidiary of Intercontinental Exchange.

In 2010, Loeffler bought a minority stake in the Atlanta Dream of the Women's National Basketball Association (WNBA). In 2011, she and Mary Brock bought the team from Kathy Betty. Loeffler took an active role in the team, arranging her travel schedule to attend all games and often meeting with head coach Michael Cooper during halftime to analyze the first half of the game. Due in part to her stance on the Black Lives Matter movement, and the resulting criticism expressed by many players on the Dream roster and within the league, in February 2021 Loeffler sold her stake in the team.