|Formation||February 8, 2013|
|Type||International non-governmental & non-profi organization|
|Legal status||A legal entity operating in accordance with the laws of the Czech Republic|
|Purpose||Developing and promoting yo-yoing as a sport on a global level.|
International Yo-Yo Federation (IYYF) is an international Yo-yo organization that promotes World Yo-Yo Contest and European Yo-Yo Championship and develops and promotes yo-yoing as a sport on a global level.
The International Yo-Yo Federation (IYYF) was formed on February 8, 2013. World Yo-Yo Contest had been promoted by Greg Cohen since 2000. IYYF was formed to promote world Yo-Yo contest and other international competitions. The United States, the Czech Republic, Japan, and Brazil are the first national members to join the IYYF.