2nd Brigade may refer to:
Australia
- 2nd Brigade (Australia)
- 2nd Light Horse Brigade
Canada
- 2nd Canadian Armoured Brigade
- 2 Canadian Mechanized Brigade Group
Croatia
- 2nd Guards Brigade (Croatia)
Estonia
- 2nd Infantry Brigade (Estonia)
France
- 2nd Armoured Brigade (France)
Ireland
- 2nd Brigade (Ireland)
Israel
- Carmeli Brigade
Japan
- 2nd Independent Mixed Brigade (Imperial Japanese Army)
New Zealand
- 2nd Infantry Brigade (New Zealand)
Poland
- 2nd Brigade, Polish Legions
- 2nd Armoured Brigade (Poland)
- 2nd Mountain Brigade (Poland)
Romania
- 2nd Mountain Troops Brigade (Romania)
Serbia
- 2nd Army Brigade
South Africa
- 2nd South African Infantry Brigade
Spain
- 2nd Mixed Brigade
United Kingdom
- 2nd Anti-Aircraft Brigade (United Kingdom)
- 2nd Armoured Brigade (United Kingdom)
- 2nd Cavalry Brigade (United Kingdom)
- 2nd Composite Mounted Brigade
- 2nd Gibraltar Brigade
- 2nd Guards Brigade (United Kingdom)
- 2nd Infantry Brigade (United Kingdom)
- 2nd Mounted Brigade (United Kingdom)
- 2nd Parachute Brigade (United Kingdom)
- 2nd Provisional Brigade (United Kingdom)
- 2nd Reserve Brigade
- 2nd (Royal Naval) Brigade
- 2nd Signal Brigade (United Kingdom)
- Artillery units:
- 2nd Brigade, Royal Field Artillery
- 2nd (Cumberland Yeomanry) Army Brigade, Royal Field Artillery
- 2nd (Lancashire) Army Brigade, Royal Field Artillery
- 2nd (Lowland) Medium Brigade, Royal Garrison Artillery
- II Brigade, Royal Horse Artillery (T.F.)
United States
- 2nd Brigade Combat Team, 1st Cavalry Division (United States)
- 2nd Brigade Combat Team, 1st Infantry Division
- 2nd Brigade, 7th Infantry Division (United States)
- 2nd Brigade Combat Team, 10th Mountain Division (United States)
- 2nd Brigade, 24th Infantry Division (United States)
- 2nd Brigade, 104th Division (United States)
- 2nd Brigade Combat Team, 1st Infantry Division
- 2nd Marine Expeditionary Brigade (United States)
- 2nd Vermont Brigade
See also
- 2nd Division (disambiguation)
- 2nd Regiment (disambiguation)