Welcome to International Karatedo Gojukai Association!

IKGA is the international association formed by the late Grand Master Gogen Yamaguchi to help bring Gojuryu Karatedo to the world. Under his leadership IKGA flourished with thousands of members worldwide, and under the leadership of his son, Grand Master Goshi Yamaguchi, the association continues to grow and thrive.

IKGA Karate can be found in Africa, Asia, Europe, North and South America, and Oceania. Saiko Shihan Goshi Yamaguchi travels regularly to each of these regions to teach the highest level of Gojuryu Karatedo to Instructors and Members. Members from all regions that teach IKGA Karate are welcome to visit Hombu (Headquarters) in Japan.


IKGA News

IKGA Global Championships Japan, August 7 - 11, 2025

(Updated 24 May 2025)

Every 4 years, IKGA countries come together in goodwill and competition for the IKGA Global Championships. After a lengthy postponment due to the global pandemic, the next event is now scheduled to take place.

The next IKGA Global Championships will take place in Chiba, Japan, from August 7 - 11, 2025.

Special limited offering (for JKGA/IKGA Shihans)

Gogen Haori

Gogen Yamaguchi Kaiso wore a Haori jacket and Hakama pants wherever he went out, both in Japan and abroad, and he liked to wear a white haori made from karate kimono fabric.

In an offer exclusive to IKGA Shihans to commemorate the 75th anniversary of the founding of JKGA and the 60th anniversary of the founding of IKGA, Hombu is now taking orders to purchase custom Haori in the style that Gogen Yamaguchi Kaiso favored.

More information can be found here.

President's Message

Happy New Year!

 

IKGA President, Saiko Shihan Goshi Yamaguchi's New Year message for 2025 has been posted.

See more here.

President's Message

New video posted! - YouTube

 

Three new kata have been developeded by JKGA/IKGA Grandmaster Goshi Yamaguchi, and he is pleased to unveil them on the official IKGA YouTube channel. The new kata, "Sanshu" are being released in stages: Kenshu, Shoshu and Ryoshu. Saiko Shihan has now released Ryoshu to complete the set along with Kenshu and Shoshu. Let's practice together! You can see all three new kata here:

Visit the official channel here: youtube.com