Harukazu Nagaoka

Harukazu Nagaoka (長岡 春一, Nagaoka Harukazu, January 16, 1877 in Kobe, Japan – June 30, 1949) was a Japanese diplomat and jurist who served as member of the Japanese delegation to the Commission of Responsibilities at the Paris Peace Conference and represented Japan to the League of Nations.

Nagaoka was born in Kobe, and studied law at the Tokyo Imperial University and the Ecole Sciences Politiques in Paris.

In 1904-1905 served as secretary of the judge Ichiro Motono in the case of the Japanese tax houses decided at the International Court of Arbitration.

In 1912 served as member of the Japanese delegation at the International Conference for the Unification of the Law Concerning Bills of Exchange.

In 1925-1926 served as Director of Treaties and Conventions Division at the Japanese Ministry of Foreign Affairs.