The Ono Kenyukai (大野剣友会 Ōno Kenyūkai, "Ono Kendo Club") is a Japanese theater and swordfight group. They are known as their action and stunts performances since Kamen Rider to Birth of the 10th! Kamen Riders All Together!!. Most of their members are suit actor such as Tetsuya Nakayashiki.