5th Division (Australia)
5th Brigade (Australia)
2/5th Commando Squadron (Australia)
5th Battalion (Australia)
5th Engineer Regiment (Australia)
2/5th Battalion (Australia)
5th Light Horse Regiment (Australia)
5th Battalion, Royal Australian Regiment
5th Aviation Regiment (Australia)
5th Light Horse Brigade
5th Motor Brigade (Australia)
Are You Smarter than a 5th Grader? (Australian game show)
5th Pioneer Battalion (Australia)
2/5th Field Regiment
2/5th Armoured Regiment (Australia)
5th Military District (Australia)
5th/7th Battalion, Royal Australian Regiment
5th Machine Gun Battalion (Australia)
Fifth ODI, Australian cricket team in South Africa in 2005–06