In military terms, 1st Brigade may refer to:
Australia
1st Brigade (Australia) 1st Light Horse Brigade
Belgium
1st Belgian Infantry Brigade
1st Brigade (Belgium)
Canada
1st Canadian Armoured Brigade
1 Canadian Mechanized Brigade Group
1st Canadian Tank Brigade
Croatia
1st Guards Brigade (Croatia)
Czechoslovakia
1st Czechoslovak Armoured Brigade
Estonia
1st Infantry Brigade (Estonia)
France
1st Cavalry Brigade (France) 1st Mechanised Brigade (France)
Germany
1st Airmobile Brigade (Bundeswehr)
Israel
Golani Brigade
Japan
1st Airborne Brigade (Japan) 1st Cavalry Brigade (Imperial Japanese Army) 1st Helicopter Brigade
Poland
1st Armoured Brigade (Poland) 1st Brigade, Polish Legions 1st Independent Parachute Brigade (Poland)
New Zealand
1st Infantry Brigade (New Zealand)
Romania
1st Logistics Brigade (Romania) 1st Surface to Air Missiles Brigade (Romania)
South Africa
1st Infantry Brigade (South Africa)
Spain
1st Mixed Brigade
Ukraine
1st Tank Brigade (Ukraine)
United Kingdom
1st Artillery Brigade (United Kingdom) 1st Airlanding Brigade (United Kingdom) 1st Army Tank Brigade (United Kingdom) 1st Armoured Brigade (United Kingdom) 1st Armoured Infantry Brigade (United Kingdom) 1st Armoured Reconnaissance Brigade (United Kingdom) 1st Assault Brigade Royal Engineers 1st Cavalry Brigade (United Kingdom) 1st Composite Mounted Brigade 1st Gibraltar Brigade 1st Guards Brigade (United Kingdom) 1st London Infantry Brigade 1st Malaya Infantry Brigade 1st Mechanised Brigade (United Kingdom) 1st Motor Machine Gun Brigade 1st Mounted Brigade (United Kingdom) 1st Parachute Brigade (United Kingdom) 1st Special Service Brigade 1st Signal Brigade (United Kingdom)
Artillery units
1st Brigade Royal Field Artillery
I Brigade, Royal Horse Artillery
I Brigade, Royal Horse Artillery (T.F.), Territorial Force
I Indian Brigade, Royal Horse Artillery
United States
1st Air Cavalry Brigade, 1st Cavalry Division (United States) 1st Brigade, 1st Infantry Division (United States) 1st Brigade, 1st Cavalry Division (United States) 1st Brigade, 101st Airborne Division (United States), see 327th Infantry Regiment (United States) 1st Brigade Combat Team, 10th Mountain Division (United States) 1st Brigade, 7th Infantry Division (United States) 1st Brigade, 24th Infantry Division (United States) 1st Brigade, 104th Division (United States) 1st Marine Expeditionary Brigade (United States) 1st Provisional Marine Brigade 1st Sustainment Brigade (United States)
See also
1st Cavalry Brigade (disambiguation)