9th Brigade may refer to:
Australia 9th Brigade (Australia)
Canada 9th Canadian Infantry Brigade
China 9th Fighter Brigade
Croatia 9th Guards Brigade (Croatia)
France 9th Marine Infantry Brigade
Germany 9th Panzerlehr Brigade (Bundeswehr)
Greece 9th Infantry Brigade (Greece)
Hungary 9th Infantry Brigade (Hungary)
India 9th Indian Infantry Brigade, a unit during the World War II 9th (Sirhind) Brigade, a unit during World War I 9th (Secunderabad) Cavalry Brigade, a unit the World War I
Israel Oded Brigade
Lebanon 9th Infantry Brigade (Lebanon)
Republika Srpska 9th Grahovo Brigade
Romania 9th Mechanized Brigade (Romania)
Russia 9th Guards Artillery Brigade 9th Separate Guards Motor Rifle Brigade
Soviet Union 9th Guards Artillery Brigade
New Zealand 9th Brigade (New Zealand)
Turkey 9th Commando Brigade (Turkey)
Ukraine 9th Unmanned Systems Brigade (Ukraine)
United Kingdom 9th Armoured Brigade (United Kingdom) 9th Cavalry Brigade (United Kingdom) 9th Cyclist Brigade 9th Infantry Brigade (United Kingdom) 9th Mounted Brigade (United Kingdom) 9th Provisional Brigade 9th Reserve Brigade Artillery units 9th Brigade Royal Field Artillery 9th Brigade, North Irish Division, Royal Artillery 9th (West Riding and Staffordshire) Medium Brigade, Royal Garrison Artillery IX Brigade, Royal Horse Artillery
United States 9th Marine Expeditionary Brigade (United States)
See also 9th Division (disambiguation) 9th Regiment (disambiguation)