Teddy Pierre-Marie Riner is a French judoka. He has won eleven World Championships gold medals, the first and only judoka to do so, and three Olympic gold medals. He has also won five gold medals at the European Championships. He was a member of the Levallois Sporting Club before joining Paris Saint-Germain in August 2017.

The World Judo Championships are the highest level of international judo competition, along with the Olympic judo competition. The championships are held once every year by the International Judo Federation, and qualified judoka compete in their respective categories as representatives of their home countries. Team competitions have also been held since 1994. The men's championships began in 1956, though the format and periodicity of the championships have changed over time. The last edition of the championships took place in Doha, Qatar in 2023.