The 2021 European Junior and U23 Canoe Slalom Championships took place in Solkan, Slovenia from 19 to 22 August 2021 under the auspices of the European Canoe Association (ECA).

Solkan hosted the championships for the 5th time.

A total of 20 medal events were held.

It was the first time that Extreme slalom events were part of the European Junior and U23 Championships.

*   Host nation (Slovenia)