Peter Graham Olson (born December 9, 1962) is an American politician who served as the U.S. representative for Texas's 22nd congressional district from 2009 to 2021. His district included much of southern Houston, as well as most of the city's southwestern suburbs such as Katy, Pearland, and Sugar Land. He is a member of the Republican Party. On July 25, 2019, Olson announced that he would retire at the end of his term. He was succeeded by fellow Republican Troy Nehls.