Jiří Janošek (born 19 February 1997) is a Czech track cyclist.

Representing the Czech Republic at international competitions, he competed at the 2016 UEC European Track Championships in the team sprint event and 1km time trial event.

[1] Janošek made his first appearance at the World championships in 2014 where he won the 1km time trial on the track.

A feat he repeated at the European track championships later in the year.

[3] In 2021 Janošek won the Czech Keirin national championship.