Akizuki Satsuo (秋月 左都夫, February 24, 1858 – June 25, 1945) was a diplomat and government official of the upper third rank (正三位, shōsanmi) in the Imperial Household Ministry.

His father, Akizuki Taneyo (秋月 種節) was an elder of the Takanabe Domain.

His younger brother, Suzuki Masaya (鈴木 馬左也), was an official in the Ministry of Agricultural and Trade Affairs, and contributed to the growth of the Sumitomo Zaibatsu.

He graduated from the Han school called Meirindō (明倫堂) founded by Akizuki Taneshige (秋月 種茂).

[citation needed] He was an editorial advisor for (and later president of) the Asahi Shimbun newspaper, worked as the head of the Keijō Nippō newspaper, and was also deputy leader of the Association for the Accession of the True Emperor in Greater Japan (大日本皇道立教会, Dainippon Honkō Dōritsu Kyōkai).