National Security Advisor (Japan)

Secretary-General of the National Security Secretariat
国家安全保障局長
Emblem of the Government of Japan
since 20 January 2025
Cabinet Secretariat
Reports toPrime Minister of Japan
AppointerPrime Minister of Japan
Term lengthNo fixed term
FormationDecember 4, 2013 (2013-12-04)
DeputyDeputy Secretary-General of the National Security Secretariat

The Secretary-General of the National Security Secretariat (国家安全保障局長, Kokka-Anzen-Hoshō-Kyoku-Chō), commonly referred to as the National Security Advisor, is the head of the National Security Secretariat, a department within the Cabinet Secretariat in charge of the National Security Council. As the principal advisor to the Prime Minister on matters regarding national security, the Secretary-General is one of the most senior officials in the Prime Minister’s Office. The Secretary-General is appointed and serves at the pleasure of the Prime Minister.

The current Secretary-General is former Vice-Minister for Foreign Affairs, Masataka Okano, who took office on 20 January 2025.