Arkady Alexandrovich Sobolev (Russian: Арка́дий Алекса́ндрович Со́болев, 1903–1964) was a Russian Soviet diplomat who served as the Soviet ambassador to the United Nations between 1955 and 1960. He was a specialist in international law. He was also under-secretary for Security and Political Affairs between 1946 and 1949 and Soviet Ambassador to Poland between 1951 and 1953.
He died in Moscow following a long illness.