Civilian officials
Kōki Hirota, prime minister (1936–1937), foreign minister (1933–1936, 1937–1938)
Baron Kiichirō Hiranuma, prime minister (1939), president of the privy council
Naoki Hoshino, chief cabinet secretary
Marquis Kōichi Kido, Lord Keeper of the Privy Seal
Toshio Shiratori, Ambassador to Italy
Shigenori Tōgō, foreign minister (1941–1942, 1945)
Mamoru Shigemitsu, foreign minister (1943–1945)
Okinori Kaya, finance minister (1941–1944)
Yōsuke Matsuoka, foreign minister (1940–1941)
Military officers
General Hideki Tōjō, prime minister (1941–1944), war minister (1940–1944),chief of the Imperial Japanese Army General Staff Office (1944)
General Seishirō Itagaki, war minister (1938-1939)
General Sadao Araki, war minister (1931–1934)
Field Marshal Shunroku Hata, war minister (1939–1940)
Admiral Shigetarō Shimada, navy minister (1941–1944), chief of the Imperial Japanese Navy General Staff (1944)
Lieutenant General Kenryō Satō, chief of the Military Affairs Bureau
General Kuniaki Koiso, prime minister (1944–1945), governor-general of Korea (1942–1944)
Vice Admiral Takazumi Oka, chief of the Bureau of Naval Affairs
Lieutenant General Hiroshi Ōshima, ambassador to Germany
Fleet Admiral Nagano Osami, navy minister (1936–1937), chief of the Imperial Japanese Navy General Staff (1941–1944)
General Jirō Minami, governor-general of Korea (1936–1942)
General Kenji Doihara, chief of the intelligence service in Manchukuo
General Heitarō Kimura, commander of the Burma Area Army
General Iwane Matsui, commander of the Shanghai Expeditionary Force and Central China Area Army
Lieutenant General Akira Mutō, chief of staff of the 14th Area Army
Colonel Kingorō Hashimoto, founder of Sakurakai
General Yoshijirō Umezu, commander of the Kwantung Army, chief of the Imperial Japanese Army General Staff Office (1944–1945)
Lieutenant General Teiichi Suzuki, chief of the Cabinet Planning Board
Other defendants
Shūmei Ōkawa, a political philosopher
Most of them should have known that they would be arrested and tried, due to the fact that the Allies had sent Japan the Potsdam Declaration before the Japanese government surrendered. The following lines can be found in the Potsdam Declaration, which indicate a clear desire from the Allied forces to arrest, try, and deal with what they viewed as war criminals.
as well as