The second HMAS Ballarat (155) is an Anzac class frigate, laid down by Tenix Defence Systems Propriety Limited at Williamstown in Victoria on 4 August 2000, launched on 25 May 2002 and commissioned on 26 June 2004.
HMAS Ballarat ran aground off Christmas Island near Flying Fish Cove on 22 January 2005 causing damage to the rudder and propellors on sand and coral.