下野國
was a Japanese samurai of the late Edo period who served as lord of the Kitsuregawa domain (Shimotsuke Province). A direct descendant of the Ashikaga shōguns, Satouji had 5000 koku income and was a Tokugawa retainer, but had the "de facto" status of a daimyō of 100,000 koku-level income. Satouji became a in the Meiji era; however, it is unknown when he died.