Katsumi Ōno (大野 勝己, Ōno Katsumi, April 6, 1905 - Setagaya Ward, Tokyo, September 1, 2006[1]) was a Japanese diplomat.
He entered the Japanese Ministry of Foreign Affairs in 1929.
In 1953-1955 served as Ambassador to the Philippines, and as Vice Minister of Foreign Affairs in 1957–1958.
He served as Ambassador to the United Kingdom in 1958–1964.
This Japanese diplomat-related article is a stub.