The AA Southern Valley District was a high school conference of the Virginia High School League consisting of schools in the Shenandoah Valley. Schools in the Southern Valley District competed in AA Region III with the schools in the AA Blue Ridge District, the AA Massanutten District, and the AA Seminole District.

The district was created in 2007 out of the former members of the AA Valley District which were located in the Staunton area.

Member schools

• Fort Defiance High School of Fort Defiance, Virginia
• Robert E. Lee High School of Staunton, Virginia
• Rockbridge County High School of Lexington, Virginia
• Stuarts Draft High School of Stuarts Draft, Virginia
• Waynesboro High School of Waynesboro, Virginia
• Wilson High School of Fishersville, Virginia (Moved up from single A division in 2009-2010 school year)