Kristen Lee McDonald Rivet[1] (born July 11, 1970) is an American politician who has served as a member of the United States House of Representatives from Michigan's 8th congressional district since 2025.

[3] Prior to entering politics, McDonald Rivet served as chief of staff for State Superintendent Michael P. Flanagan and was vice president of the Skillman Foundation.

[6] She was elected to the Michigan Senate in November 2022, defeating Republican state Representative Annette Glenn.

[7][8] McDonald Rivet declared her candidacy to run for the United States House of Representatives Michigan's 8th congressional district to replace the retiring Dan Kildee in the 2024 Democratic primary.

[10] In 2025, McDonald Rivet was one of 46 House Democrats who joined all Republicans to vote for the Laken Riley Act.