Yoshinori Ohno (大野 功統 Ōno Yoshinori, 16 October 1935 – 16 July 2023) was a Japanese politician who served as Minister of State for Defense in Prime Minister Junichiro Koizumi's third Cabinet from 2004 to 2005.

Ohno was born in Taiwan (then under Japanese rule) in 1935 and return to Japan in 1947 and settled in Toyohama-cho, Mitoyo-gun, Kagawa Prefecture (now Kannonji City).

He graduated from Takamatsu Daiichi Senior High School and then went on to study law at University of Tokyo in the Graduate School for Law and Politics.

After university he began his career with the Ministry of Finance.

From 2004 to 2005 he was Director General of the Japan Defense Agency.