19th Brigade
- 19 Squadron (disambiguation)
- 19th Army (disambiguation)
- 19th Battalion (disambiguation)
- 19th Brigade (Australia)
- 19th Division (disambiguation)
- 19th Group (disambiguation)
- 19th Guards Mechanized Brigade (Belarus)
- 19th Indian Infantry Brigade
- 19th Infantry Brigade (Hungary)
- 19th Light Brigade (United Kingdom)
- 19th Mounted Brigade (United Kingdom)
- 19th Regiment (disambiguation)
- Norrbotten Brigade
- XIX Brigade, Royal Horse Artillery (T.F.)