Kadono Ikunoshin (門野幾之進, 1856 – 1938) was a Japanese samurai and businessman.
He has a younger brother Kadono Jūkurō (1867 - 1958) who was a Japanese railway engineer, businessman, and the Chairman of Ōkura Gumi (1914 - 1937).
In 1904, Kadono founded Chiyoda Mutual Life Insurance Company (Chiyoda Seimei Hoken).
It was the first in Japan with an American structure.
[1] In 1906, he was a founder of Chiyoda Fire Insurance (Chiyoda Kasai Hoken).