List of Japanese World War II experts in Russian/Soviet topics from the 1920s until the end of World War II. The experts listed here acquired their knowledge during the Russo-Japanese War, 1918-27 Siberian intervention, and diplomatic attachés to the Soviet Union.

Aritomo Yamagata Saburo Hayashi Michitarō Komatsubara Motojiro Akashi Korechika Anami Sadao Araki Okikatsu Arao (Koko) Kitsuju Ayabe Masutaro Nakai Shōjirō Iida Toshizō Nishio Torashirō Kawabe Minoru Sasaki Kantarō Suzuki Jun Ushiroku Otozō Yamada Jirō Minami Kyoji Tominaga Heitarō Kimura Shigenori Kuroda Mitsumasa Yonai