Gregory John Landsman is an American politician currently serving as the U.S. Representative for Ohio's 1st congressional district since 2023.
A member of the Democratic Party, he was elected to the United States House of Representatives in the 2022 election, defeating 13-term incumbent Steve Chabot. He won re-election in 2024, becoming only the third Democrat to represent a significant portion of Cincinnati for more than one term since the Civil War.