Attack Submarines (Diesel-Electric)
Collins Class LOA 254′ TDISP 3,400 tons submerged. (6 active, service since 1996)
Oberon class LOA 295′ TDISP 2,400 tons submerged. (6 built for Australia, service 1969-2000, 2 preserved, 1 laid up for other Oberon boats see RN submarines listing)
HMAS Onslow S-60 (1969-1999)
HMAS Otama S-62 (1978-2000) Still awaiting preservation, laid up in Western Port Bay, Victoria. As of 2021, has deteriorated and is listing badly.
HMAS Ovens S-70 (1969-1995) Preserved at Western Australia Maritime Museum since 1998.