| Cabinet Name: | Second Ōkuma Cabinet |
| Predecessor: | First Yamamoto Cabinet |
| Legislature Term: | 32nd Imperial Diet 33rd Imperial Diet 34th Imperial Diet 35th Imperial Diet 36th Imperial Diet 37th Imperial Diet |
| Election: | 1915 general election |
| Political Party: | HoR Blocs: Rikken Dōshikai HoP Blocs: Kōseikai |
| Cabinet Number: | 17th |
| Jurisdiction: | Japan |
| Flag: | Flag of Japan.svg |
| Flag Border: | true |
| Date Formed: | April 16, 1914 |
| State Head: | Taishō |
| Date Dissolved: | October 9, 1916 |
| Government Head Title: | Prime Minister |
| Government Head: | Ōkuma Shigenobu |
| State Head Title: | Emperor |
| Successor: | Terauchi Cabinet |
The Second Ōkuma Cabinet is the 17th Cabinet of Japan led by Ōkuma Shigenobu from April 16, 1914, to October 9, 1916.
| Ministers | ||||||
|---|---|---|---|---|---|---|
| Portfolio | Name | Political party | Term start | Term end | ||
| Prime Minister | Marquess Ōkuma Shigenobu | Rikken Dōshikai | April 16, 1914 | October 9, 1916 | ||
| Minister for Foreign Affairs | Baron Katō Takaaki | Rikken Dōshikai | April 16, 1914 | August 10, 1915 | ||
| Minister of Home Affairs | Marquess Ōkuma Shigenobu | Rikken Dōshikai | April 16, 1914 | January 7, 1915 | ||
| Viscount Ōura Kanetake | Military (Army) | January 7, 1915 | July 30, 1915 | |||
| Marquess Ōkuma Shigenobu | Rikken Dōshikai | July 30, 1915 | October 13, 1915 | |||
| Minister of Finance | Wakatsuki Reijirō | Rikken Dōshikai | April 16, 1914 | August 10, 1915 | ||
| Minister of the Army | Oka Ichinosuke | Military (Army) | April 16, 1914 | March 30, 1916 | ||
| Minister of the Navy | Yashiro Rokurō | Military (Navy) | April 16, 1914 | August 10, 1915 | ||
| Minister of Justice | Yukio Ozaki | Chūseikai | April 16, 1914 | October 9, 1916 | ||
| Minister of Education | Ichiki Kitokurō | Independent | April 16, 1914 | August 10, 1915 | ||
| Minister of Agriculture and Commerce | Viscount Ōura Kanetake | Military (Army) | April 16, 1914 | January 7, 1915 | ||
| Kōno Hironaka | Rikken Dōshikai | January 7, 1915 | October 9, 1916 | |||
| Minister of Communications | Taketomi Tokitoshi | Rikken Dōshikai | April 16, 1914 | August 10, 1915 | ||
| Chief Cabinet Secretary | Egi Tasuku | Independent | April 16, 1914 | October 9, 1916 | ||
| Director-General of the Cabinet Legislation Bureau | Kuratomi Yūzaburō | Independent | April 16, 1914 | April 25, 1914 | ||
| Sakuye Takahashi | Independent | April 25, 1914 | October 9, 1916 | |||
| Parliamentary Undersecretaries | ||||||
| Portfolio | Name | Political party | Term start | Term end | ||
| Parliamentary Undersecretary for Foreign Affairs | Adachi Kenzō | Rikken Dōshikai | July 2, 1915 | August 12, 1915 | ||
| Parliamentary Undersecretary of Home Affairs | Shimooka Chuji | Independent | July 2, 1915 | August 12, 1915 | ||
| Parliamentary Undersecretary of Finance | Hamaguchi Osachi | Rikken Dōshikai | July 2, 1915 | August 12, 1915 | ||
| Parliamentary Undersecretary of the Army | Baron Manabe Akira | Military (Army) | July 2, 1915 | October 9, 1916 | ||
| Parliamentary Undersecretary of the Navy | Hayami Seiji | Independent | July 2, 1915 | August 21, 1915 | ||
| Parliamentary Undersecretary of Justice | Daikichirō Tagawa | Chūseikai | July 2, 1915 | October 9, 1916 | ||
| Parliamentary Undersecretary of Education | Kuwata Kumazo | Independent | July 2, 1915 | August 21, 1915 | ||
| Parliamentary Undersecretary of Agriculture and Commerce | Machida Chūji | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Parliamentary Undersecretary of Communications | Fujisawa Ikunosuke | Rikken Dōshikai | July 2, 1915 | August 21, 1915 | ||
| Deputy Parliamentary Undersecretaries | ||||||
| Portfolio | Name | Political party | Term start | Term end | ||
| Deputy Parliamentary Undersecretary for Foreign Affairs | Suzuoki Kurajirō | Rikken Dōshikai | July 2, 1915 | August 12, 1915 | ||
| Deputy Parliamentary Undersecretary of Home Affairs | Torii Teijiro | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Finance | Ōtsu Junichirō | Rikken Dōshikai | July 2, 1915 | August 21, 1915 | ||
| Deputy Parliamentary Undersecretary of the Army | Miura Tokuichirō | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of the Navy | Tanaka Zenryū | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Justice | Seki Wachi | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Education | Ōkuma Nobutsune | Independent | July 2, 1915 | October 30, 1915 | ||
| Deputy Parliamentary Undersecretary of Agriculture and Commerce | Baron Tsuboi Kuhachiro | Independent | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Communications | Arakawa Gorō | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Source:[1] | ||||||
A Cabinet reshuffle took place on August 10, 1915.
| Ministers | ||||||
|---|---|---|---|---|---|---|
| Portfolio | Minister | Political party | Term start | Term end | ||
| Prime Minister | Marquess Ōkuma Shigenobu | Rikken Dōshikai | April 16, 1914 | October 9, 1916 | ||
| Minister for Foreign Affairs | Marquess Ōkuma Shigenobu | Rikken Dōshikai | August 10, 1915 | October 13, 1915 | ||
| Baron Ishii Kikujirō | Independent | October 13, 1915 | October 9, 1916 | |||
| Minister of Home Affairs | Ichiki Kitokurō | Independent | August 10, 1915 | October 9, 1916 | ||
| Minister of Finance | Taketomi Tokitoshi | Rikken Dōshikai | August 10, 1915 | October 9, 1916 | ||
| Minister of the Army | Oka Ichinosuke | Military (Army) | April 16, 1914 | March 30, 1916 | ||
| Ōshima Ken'ichi | Military (Army) | March 30, 1916 | October 9, 1916 | |||
| Minister of the Navy | Katō Tomosaburō | Military (Navy) | August 10, 1915 | October 9, 1916 | ||
| Minister of Justice | Yukio Ozaki | Chūseikai | April 16, 1914 | October 9, 1916 | ||
| Minister of Education | Takada Sanae | Independent | August 10, 1915 | October 9, 1916 | ||
| Minister of Agriculture and Commerce | Kōno Hironaka | Rikken Dōshikai | January 7, 1915 | October 9, 1916 | ||
| Minister of Communications | Minoura Katsundo | Rikken Dōshikai | August 10, 1915 | October 9, 1916 | ||
| Chief Cabinet Secretary | Egi Tasuku | Independent | April 16, 1914 | October 9, 1916 | ||
| Director-General of the Cabinet Legislation Bureau | Sakuye Takahashi | Independent | April 25, 1914 | October 9, 1916 | ||
| Parliamentary Undersecretaries | ||||||
| Portfolio | Name | Political party | Term start | Term end | ||
| Parliamentary Undersecretary for Foreign Affairs | Adachi Kenzō | Rikken Dōshikai | July 2, 1915 | August 12, 1915 | ||
| Vacant | August 12, 1915 | October 30, 1915 | ||||
| Tokai Sanshi | Rikken Dōshikai | October 30, 1915 | October 9, 1916 | |||
| Parliamentary Undersecretary of Home Affairs | Shimooka Chuji | Independent | July 2, 1915 | August 12, 1915 | ||
| Vacant | August 12, 1915 | August 21, 1915 | ||||
| Fujisawa Ikunosuke | Rikken Dōshikai | August 21, 1915 | October 9, 1916 | |||
| Parliamentary Undersecretary of Finance | Hamaguchi Osachi | Rikken Dōshikai | July 2, 1915 | August 12, 1915 | ||
| Vacant | August 12, 1915 | August 21, 1915 | ||||
| Katō Masanosuke | Chūseikai | August 21, 1915 | October 9, 1916 | |||
| Parliamentary Undersecretary of the Army | Baron Manabe Akira | Military (Army) | July 2, 1915 | October 9, 1916 | ||
| Parliamentary Undersecretary of the Navy | Hayami Seiji | Independent | July 2, 1915 | December 26, 1915 | ||
| Vacant | December 26, 1915 | January 19, 1916 | ||||
| Jiro Okabe | Chūseikai | January 19, 1916 | October 9, 1916 | |||
| Parliamentary Undersecretary of Justice | Daikichirō Tagawa | Chūseikai | July 2, 1915 | October 9, 1916 | ||
| Parliamentary Undersecretary of Education | Kuwata Kumazo | Independent | July 2, 1915 | August 21, 1915 | ||
| Ōtsu Junichirō | Rikken Dōshikai | August 21, 1915 | October 9, 1916 | |||
| Parliamentary Undersecretary of Agriculture and Commerce | Machida Chūji | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Parliamentary Undersecretary of Communications | Fujisawa Ikunosuke | Rikken Dōshikai | July 2, 1915 | August 21, 1915 | ||
| Kinoshita Kenjiro | Rikken Dōshikai | August 21, 1915 | October 9, 1916 | |||
| Deputy Parliamentary Undersecretaries | ||||||
| Portfolio | Name | Political party | Term start | Term end | ||
| Deputy Parliamentary Undersecretary for Foreign Affairs | Suzuoki Kurajirō | Rikken Dōshikai | July 2, 1915 | August 12, 1915 | ||
| Vacant | August 12, 1915 | October 30, 1915 | ||||
| Ōkuma Nobutsune | Independent | October 30, 1915 | October 9, 1916 | |||
| Deputy Parliamentary Undersecretary of Home Affairs | Torii Teijiro | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Finance | Ōtsu Junichirō | Rikken Dōshikai | July 2, 1915 | August 21, 1915 | ||
| Murayasu Shinkuro | Independent | August 21, 1915 | October 9, 1916 | |||
| Deputy Parliamentary Undersecretary of the Army | Miura Tokuichirō | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of the Navy | Tanaka Zenryū | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Justice | Seki Wachi | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Education | Ōkuma Nobutsune | Independent | July 2, 1915 | October 30, 1915 | ||
| Koyama Tanizō | Chūseikai | October 30, 1915 | October 9, 1916 | |||
| Deputy Parliamentary Undersecretary of Agriculture and Commerce | Baron Tsuboi Kuhachiro | Independent | July 2, 1915 | October 9, 1916 | ||
| Deputy Parliamentary Undersecretary of Communications | Arakawa Gorō | Rikken Dōshikai | July 2, 1915 | October 9, 1916 | ||
| Source: | ||||||