Nine Allied nations signed Japan’s surrender document after Douglas MacArthur signed it.
The nine represented governments were the United States, China, the United Kingdom, the Soviet Union, Australia, Canada, France, the Netherlands, and New Zealand. MacArthur signed first on behalf of the Allied powers, after which Fleet Admiral Chester Nimitz signed for the United States.
The other Allied representatives followed in sequence. They included General Hsu Yung-chang for China, Admiral Sir Bruce Fraser for the United Kingdom, Lieutenant General Kuzma Derevyanko for the Soviet Union, and representatives of the other five nations. Their signatures showed that the surrender involved a broad coalition rather than only a bilateral agreement with the United States.
The total can be confusing because the Japanese delegation also included eleven people, but only two Japanese officials signed. MacArthur was an Allied commander, not one of the nine national representatives counted after his signature.