Gensui (元帥) may refer to: Grand marshal (大元帥 dai-gensui), highest rank in Greater Imperial Japanese Army and the Imperial Japanese Navy, held by the Emperor of Japan; Field marshal (元帥陸軍大将 gensui rikugun-taishō), OF-10 officer in Imperial Japanese Army; Marshal (陸軍元帥 rikugun gensui), only held by Saigō Takamori in July 1872–May 1873. Marshal-admiral (元帥海軍大将 gensui kaigun-taishō), OF-10 officer in Imperial Japanese Navy. See also 元帥 Yuan shuai (Chinese), Wonsu (Korean, 원수), Nguyên soái (Vietnamese) 大元帥 Da yuan shuai (Chinese), Taewonsu (Korean, 대원수), Đại nguyên soái (Vietnamese)