The 15th Brigade (第15旅団) is one of eight active brigades of the Japan Ground Self-Defense Force.

The brigade is subordinated to the Western Army[1] and is headquartered in Naha, Okinawa.

[2] Its responsibility is the defense of Okinawa Prefecture.

The 15th Brigade was raised to replace the 1st Combined Brigade on March 26, 2010.

[3][2] note 1: Infantry Regiments have only battalion strength.