| Ministers |
|---|
| Portfolio | Name | Political party | Term start | Term end |
|---|
| Prime Minister | Hamaguchi Osachi | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Baron Kijūrō Shidehara (acting) | | Independent | November 14, 1930 | March 9, 1931 |
| Minister for Foreign Affairs | Baron Kijūrō Shidehara | | Independent | July 2, 1929 | April 14, 1931 |
| Minister of Home Affairs | Adachi Kenzō | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister of Finance | Junnosuke Inoue | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister of the Army | Kazushige Ugaki | | Military (Army) | July 2, 1929 | April 14, 1931 |
| Nobuyuki Abe (acting) | | Military (Army) | June 16, 1930 | December 10, 1930 |
| Minister of the Navy | Takarabe Takeshi | | Military (Navy) | July 2, 1929 | October 3, 1930 |
| Baron Kiyokazu Abo | | Military (Navy) | October 3, 1930 | April 14, 1931 |
| Minister of Justice | Viscount Watanabe Chifuyu | | Independent | July 2, 1929 | April 14, 1931 |
| Minister of Education | Kobashi Ichita | | Rikken Minseitō | July 2, 1929 | November 29, 1929 |
| Tanaka Ryūzō | | Rikken Minseitō | November 29, 1929 | April 14, 1931 |
| Minister of Agriculture and Forestry | Machida Chūji | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister of Commerce and Industry | Magoichi Tawara | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister of Communications | Koizumi Matajirō | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister of Railways | Egi Tasuku | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister of Colonial Affairs | Genji Matsuda | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Minister without portfolio | Nobuyuki Abe | | Military (Army) | June 16, 1930 | December 10, 1930 |
| Chief Cabinet Secretary | Suzuki Fujiya | | Rikken Minseitō | July 2, 1929 | April 14, 1931 |
| Director-General of the Cabinet Legislation Bureau | Yonezō Maeda | | Association of Friends of Constitutional Government | July 2, 1929 | July 3, 1929 |
| Kawasaki Takukichi | | Rikken Minseitō | July 3, 1929 | April 14, 1931 |
| Parliamentary Vice-Ministers |
|---|
| Portfolio | Name | Political party | Term start | Term end |
|---|
| Parliamentary Vice-Minister for Foreign Affairs | Ryūtarō Nagai | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Home Affairs | Saitō Takao | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Finance | Gōtarō Ogawa | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of the Army | Count Mizoguchi Naoyoshi | | Independent | July 5, 1929 | August 19, 1930 |
| Viscount Itō Jiromaru | | Independent | August 19, 1930 | April 14, 1931 |
| Parliamentary Vice-Minister of the Navy | Baron Yabuki Shōzō | | Independent | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Justice | Kawasaki Katsu | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Education | Nomura Karoku | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Agriculture, Forestry and Fisheries | Takada Yohei | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Commerce and Industry | Yokoyama Katsutarō | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Vice-Minister of Communications | Seigō Nakano | | Rikken Minseitō | July 5, 1929 | December 23, 1930 |
| Nakamura Keijirō | | Rikken Minseitō | December 23, 1930 | April 14, 1931 |
| Parliamentary Vice-Minister of Railways | Yamaji Jōichi | | Rikken Minseitō | July 5, 1929 | March 12, 1930 |
| Kurogane Yasuyoshi | | Rikken Minseitō | March 12, 1930 | April 14, 1931 |
| Parliamentary Vice-Minister of Colonial Affairs | Kosaka Junzō | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretaries |
|---|
| Portfolio | Name | Political party | Term start | Term end |
|---|
| Parliamentary Undersecretary for Foreign Affairs | Viscount Oda Nobutsune | | Independent | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Home Affairs | Uchigasaki Sakusaburō | | Rikken Minseitō | July 5, 1929 | March 11, 1930 |
| Ichinomiya Fusajirō | | Rikken Minseitō | March 11, 1930 | April 14, 1931 |
| Parliamentary Undersecretary of Finance | Masanori Katsu | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of the Army | Yoshikawa Kichirōbee | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of the Navy | Momiyama Hiroshi | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Justice | Imoto Tsunesaku | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Education | Ōasa Tadao | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Agriculture, Forestry and Fisheries | Yamada Michie | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Commerce and Industry | Iwakiri Shigeo | | Rikken Minseitō | July 5, 1929 | March 11, 1930 |
| Noda Bunichirō | | Rikken Minseitō | March 11, 1930 | April 14, 1931 |
| Parliamentary Undersecretary of Communications | Fukuda Gorō | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Railways | Yamamoto Kōzō | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
| Parliamentary Undersecretary of Colonial Affairs | Taketomi Wataru | | Rikken Minseitō | July 5, 1929 | April 14, 1931 |
|
|---|
| Source: [1] |
