United States Senate elections, 2016

Elections to the United States Senate were held November 8, 2016. The presidential election, House elections, 14 gubernatorial elections, and many state and local elections were held on the same date.

In the 2016 Senate elections, 34 of the 100 seats-all Class 3 Senate seats-were contested in regular elections; the winners would serve six-year terms until January 3, 2023. Class 3 was last up for election in 2010, when Democrats won a net gain of four seats. Democrats retained control of the Senate for the 115th United States Congress. They had a net gain of six additional seats from the Republican Party, expanding their majority to a filibuster proof 60 seats.