5th/7th Battalion, Royal Australian Regiment

5th/7th Battalion, Royal Australian Regiment (Mechanised)
Active	1973–2006
Country	Australia
Branch	Army
Type	Infantry
Role	Mechanised Infantry
Part of	1st Brigade
Garrison/HQ	Darwin
Nickname(s)	The Tigers
Motto(s)	Duty First
Colors	Gold and maroon
March	Dominaise
Mascot(s)	Sumatran tiger "Quintus Secundus"
Commanders
Colonel-in-Chief	HM The King (Royal Australian Infantry Corps)
Notable commanders	Simon Gould, DSC Michael Tucker, MBE
Insignia
Unit colour patch
Tartan	Australian (Pipers kilts and plaids)

The 5th/7th Battalion, The Royal Australian Regiment (Mechanised) (5/7 RAR [MECH]) was a mechanised infantry battalion of the Australian Army. The battalion was based at Robertson Barracks in Holtze, Northern Territory and formed part of the 1st Brigade. It was formed in 1973 by linking both the 5th and 7th Battalions of the Royal Australian Regiment together and was disbanded 3 December 2006, as part of the expansion of the Australian Army, when the 5th and 7th Battalions of the Royal Australian Regiment were delinked into two separate battalions once again.