The , 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 Keiichi Ichikawa, who took office on 21 October 2025.
List of Secretaries-General +No.NameTenure startTenure endTenure lengthRef1Shotaro Yachi4 December 201312 September 20192Shigeru Kitamura13 September 20196 July 20213Takeo Akiba7 July 202120 January 20254Masataka Okano20 January 202521 October 20255Keiichi Ichikawa21 October 2025Incumbent
References