Shinji Satō (佐藤 信二 Satō Shinji, February 8, 1932 – May 3, 2016) was a Japanese politician who was Minister of Transport from 1988 to 1989, and Minister of International Trade and Industry from 1996 to 1997.

A member of the Satō-Kishi-Abe family, he was the second son of Prime Minister Eisaku Satō.

[1] He was first elected to the Japanese House of Councillors in 1974, two years after his father left office as prime minister.

Masashi Adachi currently serves in the House of Councillors, and formerly worked as an aide for his cousin-in-law, Eisaku's grandnephew, Shinzo Abe.

[2] Satō announced in 2012 that he had a document signed between his father and U.S. President Richard Nixon that would allow American nuclear weapons to be brought to Okinawa in emergencies.