The FIS Nordic Junior and U23 World Ski Championships 2020 took place in Oberwiesenthal, Germany from 29 February to 8 March 2020.

This was the 43rd Junior World Championships and the 15th Under-23 World Championships in nordic skiing.

New competitions this year was mixed relay in the U23's cross-country skiing and mixed team competition in nordic combined.

The men's normal hill/5 km event in nordic combined was removed.

*   Host nation (Germany)  *   Host nation (Germany)