The International Yo-Yo Association (IYYA) is home to the international governing body for yoyoing. The International Yo-Yo Association was announced February 8, 2013, with the hopes of unifying the worlds national yoyo associations under one governing body.
Information about there organization and upcoming events can be found at there web site IYYF.org. There web site includes a list of national organizations that recognize the IYYF as the international governing body for yoyoing.