| Cabinet Name: | First Saionji Cabinet |
| Cabinet Number: | 12th |
| Jurisdiction: | Japan |
| Flag Border: | true |
| State Head: | Meiji |
| Date Formed: | January 7, 1906 |
| Date Dissolved: | July 14, 1908 |
| Government Head Title: | Prime Minister |
| Government Head: | Saionji Kinmochi |
| State Head Title: | Emperor |
| Predecessor: | First Katsura Cabinet |
| Successor: | Second Katsura Cabinet |
The First Saionji Cabinet is the 12th Cabinet of Japan led by Saionji Kinmochi from January 7, 1906, to July 14, 1908.
| Portfolio | Minister | Political party | Term start | Term end | ||
|---|---|---|---|---|---|---|
| Prime Minister | Marquess Saionji Kinmochi | Rikken Seiyūkai | January 7, 1906 | July 14, 1908 | ||
| Minister for Foreign Affairs | Katō Takaaki | Independent | January 7, 1906 | March 3, 1906 | ||
| Marquess Saionji Kinmochi (acting) | Rikken Seiyūkai | March 3, 1906 | May 19, 1906 | |||
| Viscount Hayashi Tadasu | Independent | May 19, 1906 | July 14, 1908 | |||
| Minister of Home Affairs | Hara Takashi | Rikken Seiyūkai | January 7, 1906 | July 14, 1908 | ||
| Minister of Finance | Sakatani Yoshio | Independent | January 7, 1906 | January 14, 1908 | ||
| Matsuda Masahisa | Rikken Seiyūkai | January 14, 1908 | July 14, 1908 | |||
| Minister of the Army | Terauchi Masatake | Military (Army) | January 7, 1906 | July 14, 1908 | ||
| Minister of the Navy | Baron Saitō Makoto | Military (Navy) | January 7, 1906 | July 14, 1908 | ||
| Minister of Justice | Matsuda Masahisa | Rikken Seiyūkai | January 7, 1906 | March 25, 1908 | ||
| Baron Senge Takatomi | Mokuyōkai | March 25, 1908 | July 14, 1908 | |||
| Minister of Education | Marquess Saionji Kinmochi (acting) | Rikken Seiyūkai | June 2, 1901 | March 27, 1906 | ||
| Baron Makino Nobuaki | Independent | March 27, 1906 | July 14, 1908 | |||
| Minister of Agriculture and Commerce | Matsuoka Yasutake | Independent | January 7, 1906 | July 14, 1908 | ||
| Minister of Communications | Yamagata Isaburō | Independent | January 7, 1906 | January 14, 1908 | ||
| Hara Takashi | Rikken Seiyūkai | January 14, 1908 | March 25, 1908 | |||
| Viscount Hotta Masayasu | Kenkyūkai | March 25, 1908 | July 14, 1908 | |||
| Chief Cabinet Secretary | Ishiwatari Bin’ichi | Independent | January 7, 1906 | January 4, 1908 | ||
| Hiroshi Minami | Independent | January 4, 1908 | July 14, 1908 | |||
| Director-General of the Cabinet Legislation Bureau | Ichiki Kitokurō | Independent | January 7, 1906 | January 13, 1906 | ||
| Okano Keijirō | Independent | January 13, 1906 | July 14, 1908 | |||
| Source:[1] | ||||||