The 2012 United States Senate election in Florida was held on November 6, 2012, alongside a presidential election, other elections to the House and Senate, as well as various state and local elections. The primary election was held August 14, 2012. Incumbent Democratic U.S. Senator Bill Nelson won reelection to a third term, defeating Republican U.S. Representative Connie Mack IV (whose father, Connie Mack III was Nelson's direct predecessor in that Senate seat) by 13%, winning 55% to 42%. Nelson defeated Mack by over 1 million votes.