Governor of the South Seas Mandate
The following is a list of the Governors of the League of Nations South Pacific Mandate, administered by the Empire of Japan.
Commanders of Interim Southern Islands Defense Unit
- Tatsuo Matsumura (28 December 1914 - 6 August 1915)
- Kichitaro Togo (6 August 1915 - 1 December 1916)
- Masujiro Yoshida (1 December 1916 - 1 December 1917)
- Yasujiro Nagata (1 December 1917 - 1 December 1919)
- Kojoro Nozaki (1 December 1919 - 1 April 1922)
Head of Civil Affairs Bureau
- Toshiro Tezuko (1 July 1918 - 1 April 1922)
Governors
- Toshiro Tezuko (1 April 1922 - 4 April 1923)
- Gosuke Yokota (4 April 1923 - 11 October 1931)
- Mitsusada Horiguchi (12 October 1931 - 21 November 1931)
- Kazuo Tawara (21 November 1931 - 5 February 1932)
- Masayuki Matsuda (5 February 1932 - 4 August 1933)
- Hisao Hayashi (4 August 1933 - 19 September 1936)
- Kenjiro Kitajima (19 September 1936 - 9 April 1940)
- Shunsuke Kondo (9 April 1940 - 5 November 1943)
- Ishiro Hosokaya (5 November 1943 - 2 February 1944)