2007 Czech Senate by-elections

By-elections for Chomutov and Přerov District Senate seats were held in 2017. Election in Chomutov was held on 13 and 14 April while in Přerov on 27-28 April.

Chomutov
Communist Václav Homolka has won the election in Chomutov. He defeated Jan Řehák. This election was held when the incumbent stepped down due to health matters.

Přerov
Přerov election was a battle between Social Democrat Jiří Latjtoch and Communist Josef Nekl. Lajtoch was supported by right wing parties in the second round. Lajtoch narrowly won the election.