Mariannette Jane Miller-Meeks (born September 6, 1955) is an American physician and politician serving as a U.S. representative since 2021, representing Iowa's 1st congressional district. Her district, numbered as the 2nd district in her first term, includes most of Iowa's southeastern quadrant, including Davenport, Bettendorf, Burlington, and Iowa City. A member of the Republican Party, Miller-Meeks served as Iowa state senator for the 41st district from 2019 to 2021. 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.