The 1992–93 Australian region cyclone season was a below average Australian cyclone season. It was also an event in the ongoing cycle of tropical cyclone formation. It ran from 1 November 1992 to 30 April 1993. The regional tropical cyclone operational plan also defines a tropical cyclone year separately from a tropical cyclone season, and the "tropical cyclone year" ran from 1 July 1992 to 30 June 1993.

Tropical cyclones in this area were monitored by four Tropical Cyclone Warning Centres (TCWCs): the Australian Bureau of Meteorology in Perth, Darwin, and Brisbane; and TCWC Port Moresby in Papua New Guinea.

Tropical Cyclone Ken existed from 17 December to 23 December.

Nina formed on December 21, 1992, the storm reached Category 1 status before making landfall in northern Queensland, then Nina moved eastward, reaching Category 3 status before becoming an extratropical cyclone on January 4, 1993.

Tropical Cyclone Lena existed from 22 January to 2 February.

Severe Tropical Cyclone Oliver existed from 3 February to 14 February.

Developed in the Coral Sea far offshore from Queensland. The cyclone intensified to a Category 3 severe tropical cyclone before crossing out of Australian region on 1 March where it passed to the southwest of New Caledonia.

Tropical Cyclone Roger peaked as a category 2 cyclone on March 15. On March 20, Roger exited the Australian region into the South Pacific.