- Who
- Noriaki Kasai
- What
- 13 total number
- Where
- Not Applicable ()
- When
The most appearances at a Fédération Internationale de Ski (FIS) Nordic World Ski Championships by an individual ski jumper is 13, achieved by Noriaki Kasai (Japan) from 1989 to 2017. He won five bronze and two silver medals over the course of these championships.