New York's 12th congressional district is a congressional district for the United States House of Representatives located in New York City. As of 2023, it is represented by Democrat Jerry Nadler, redistricted incumbent of the former 10th congressional district who defeated incumbent Carolyn Maloney in the August 2022 Democratic primary. The redrawn District 12 includes the Upper West Side constituency represented by Nadler since the 1990s, the Upper East Side, and all of Midtown Manhattan. The district is the smallest congressional district by area in the U.S. The 12th district's per capita income, in excess of $75,000, is the highest among all congressional districts in the United States.

Jerrold Lewis Nadler is an American lawyer and politician who since 2023 has served as the U.S. representative for New York's 12th congressional district, which includes central Manhattan. A member of the Democratic Party, he was first elected to Congress in 1992 to represent the state's 17th congressional district, which was renumbered as the 8th district from 1993 to 2013 and as the 10th from 2013 to 2023. Nadler chaired the House Judiciary Committee from 2019 to 2023. In his 17th term in Congress, Nadler is the dean of New York's U.S. House delegation. Before his election to Congress, he served eight terms as a New York State Assemblyman.