Mariannette Jane Miller-Meeks (born September 6, 1955) is an American physician and politician serving as a U.S. representative since 2021. She has represented Iowa's 1st congressional district since 2023 and represented the 2nd district from 2021 to 2023. A member of the Republican Party, Miller-Meeks served as Iowa state senator for the 41st district from 2019 to 2021. Her district includes most of Iowa's southeastern quadrant, including Davenport, Bettendorf, Burlington, Iowa City, and Miller-Meeks's hometown of Ottumwa. Miller-Meeks ran three unsuccessful campaigns for the U.S. House against Dave Loebsack. When Loebsack retired in 2020, she ran again and defeated Rita Hart by a margin of six votes. She was reelected in 2022 by a margin of nearly seven percentage points.