The first round of the election to the Senate, the upper house of the Parliament of the Czech Republic, is scheduled to be held on 9 and 10 October 2026, along with the 2026 municipal elections. In districts, where second round run-off will be necessary, voters will elect a Senator by a simple majority on 16 and 17 October.

Electoral districts The senate elections will be conducted in the following 27 districts:

Electoral system The Senate of the Czech Republic has 81 members elected in 81 single-member constituencies. One third of the seats is contested every two years, and senators serve six-year terms.

Senators are elected using a two-round system. A candidate who receives more than 50% of valid votes in the first round is elected. If no candidate reaches that threshold, a second round is held between the two candidates with the highest vote totals, and the candidate with the higher number of votes wins.

Candidates may be nominated by registered political parties or stand as independents, who must submit at least 1,000 signatures from voters in the constituency. The minimum age to stand for election is 40, and the voting age is 18.

Composition of contested seats before the elections Most seats up for the election, 12 out of 27, are held by the Spolu aliance, with 6 of these being held by ODS, three by KDU-ČSL, two by TOP 09 and one by HSR who was elected as a member of the Svobodní. STAN will defend ten seats and progressive pack composed of Pirates, SEN 21, RH and the Greens will be incumbent in four districts, with SEN 21 defending two seats, and Pirates and RH in one seat each.

Governning ANO 2011 will defend only one seat in this election.

One senator elected from the Mayors for the Liberec Region party will have his seat up for re-election, but now he is running as a Independent. +Current seatsSenate groupsIdeologyLeaderSeatsSTANMayors and IndependentsLiberalismVít Rakušan Mayors for the Liberec RegionRegionalismMartin Půta ODS and TOP 09Civic Democratic PartyConservatismMartin KupkaTOP 09Matěj Ondřej HavelHSRJaroslav ChalupskýPirates and SEN 21SEN 21LiberalismVáclav LáskaCzech Pirate PartyPirate politicsZdeněk HřibRHLocalismJan HolásekKDU-ČSLChristian democracyJan Grolich ANO 2011Andrej Babiš

References

See also Elections in the Czech Republic