30th Brigade

• 30th (Howitzer) Brigade Royal Field Artillery
• 30th (Northumbrian) Anti-Aircraft Brigade
• 30th Armored Brigade Combat Team
• 30th Armoured Brigade
• 30th Army (disambiguation)
• 30th Battalion (disambiguation)
• 30th Brigade (Australia)
• 30th Division (disambiguation)
• 30th Indian Brigade
• 30th Indian Infantry Brigade
• 30th Infantry Brigade (United Kingdom)
• 30th Mechanized Brigade (Ukraine)
• 30th Mechanized Infantry Brigade (Greece)
• 30th Regiment (disambiguation)
• 30th Squadron (disambiguation)
• XXX Corps (disambiguation)