104th Brigade may refer to:
Croatia 104th Brigade (Croatia)
Germany 104th Panzer Brigade
Philippines 104th Infantry Brigade (Philippines)
Spain 104th Mixed Brigade (Republican Spain)
Ukraine 104th Territorial Defense Brigade, a unit of the Ukrainian Territorial Defense Forces
United Kingdom
Artillery units 104th Brigade, Royal Field Artillery (World War I) 104th (Essex Yeomanry) Brigade, Royal Field Artillery (after World War I)
Other UK units 104th Brigade (United Kingdom) 104 Theatre Sustainment Brigade
See also 104th Division (disambiguation) 104th Regiment (disambiguation)