The 2012 United States Senate election in New Jersey took place on November 6, 2012, concurrently with the 2012 U.S. presidential election as well as other elections to the United States Senate and House of Representatives and various state and local elections.

Robert Menendez is an American lawyer and politician serving as the senior United States senator from New Jersey, a seat he has held since 2006. A member of the Democratic Party, he was first appointed to the U.S. Senate by Governor Jon Corzine, and chaired the United States Senate Committee on Foreign Relations from 2013 to 2015, and again from 2021 to 2023.