The Japan Self-Defense Forces Service Ribbon, also called the Self-Defense Commemorative Ribbon or the Defensive Memorial Cordon, (Japanese:防衛記念章) is the decoration for officers in the Japan Self-Defense Forces. Officials may wear it on their uniforms while in active service. They are only cordons like the Unit Awards and the Unit Citations of United States Armed Forces.

This article does not cite any sources. (March 2020)

The appearance of the Self-Defense Forces Service Ribbons is similar to ribbon bars for military decorations. The defensive memorial cordon is a 'rectangular-shaped memorial souvenir' for service career, participation of training in overseas, and participation in international peacekeeping and assistance operations.

The following Self-Defense Force officers in active service are allowed to wear the Self-Defense Forces Service Ribbon:

1. Officers who receive an official commendation by the Japan Self-Defense Forces
2. Officers who serve duties about the concerned awarding at the awarded institutions (National Defense Academy, National Defense Medical College, National Institute for Defense Studies, Technical Research and Development Institute, Equipment Procurement and Construction Office, the military units, the military institutions, a branch offices of Equipment office)
3. Officers who are commanders of units and commands or other managerial positions established by the Minister of Defense.
4. Officers who serve duties at the internal Subdivisions (Internal Subdivisions in Ministry of Defense, Section of the Joint Staffs, Defense Intelligence Headquarters, Ground Staff Office, Maritime Staff Office, Air Staff Office, Technical Research and Development Institute, Equipment Procurement and Construction Office, Inspector General's Office of Legal Compliance)
5. Long serving officers. In this case, the officials who were awarded the prize of perfect attendance.
6. Officers who work at the diplomatic missions overseas, or who were engaged duties about procurement by onerous assistance or other overseas activities as may be ordered.
7. Officers who participate in overseas training missions and exercises or work for transporting to the South Pole.
8. Officers who participate in international cooperation activities, such as peacekeeping operations, disaster relief and joint training exercises with foreign armed forces.
9. Officers who participate in national events or cooperating work of sports competitions which are regulated in Self-Defense Forces Act Chapter 126-12 (Olympic Games, Asian Games, National Sports Festival, FIFA World Cup, etc.) as may be directed by General Headquarters, JSDF

There are today 41 ribbon bars. When the system for the Self-Defense Forces Service Ribbons was established, there were only 15 ribbon. They must be worn by ascending order. Male officials wear three ribbon bars for each line, and female officials wear two ribbon bars for each line. If the foreign orders and/or decorations are awarded to officers, these take precedence over the ribbon bars and are required to be placed above them.

Some ribbon bars (marked as grey) still exist, but it is impossible to meet their requirements as either the organizations in question have been abolished or the missions have been finished.

If the same ribbon bars are to be awarded for further actions officers qualified to receive them have to put gold or silver cherry blossoms on the ribbon bars.

• 1 silver cherry blossom for 2 ribbons.
• 1 gold cherry blossom for 3 cordons.
• 2 silver cherry blossoms for 4 cordons.
• 2 gold cherry blossoms for more than 4 cordons.

• 1 silver cherry blossom on 12th ribbon
• 2 silver cherry blossom on 12th ribbon