Kelly Lynn Loeffler (/ˈlɛflər/; born November 27, 1970) is an American businesswoman, political donor and politician. Loeffler was the United States Senator from Georgia from January 6, 2020 to January 20, 2021. Before becoming senator, she had no political experience. She is a member of the Republican Party. She lost her re-election bid on January 5, 2021 to Raphael Warnock.

She was the chief executive officer of Bakkt and the part-owner of the Atlanta Dream of the Women's National Basketball Association.

On November 27, 2019 Governor Brian Kemp's said that Loeffler was his top pick to replace Senator Johnny Isakson. Kemp formally picked Loeffler as his senate pick.

Loeffler is very wealthy and was one of the wealthiest members of the United States Senate.