Johnson Aguiyi-Ironsi janar da ɗan siyasan Nijeriya ne. An haife shi a shekara ta 1924 a Umuahia, Kudancin Najeriya; ya mutu a shekara ta 1966. Johnson Aguiyi-Ironsi shugaban kasar Nijeriya ne daga Janairu 1966 zuwa Yuli 1966 (bayan Nnamdi Azikiwe - kafin Yakubu Gowon).