Category 4 the second-highest classification on the Australian tropical cyclone intensity scale which is used to classify tropical cyclones, that have 10-minute sustained winds of at least wind speeds of 86–107 knots (159–198 km/h; 99–123 mph). As of 2019 47 tropical cyclones have peaked Category 4 severe tropical cyclones in the Australian tropical cyclone basin, which is denoted as a part of the Indian and Pacific Oceans to the south of the equator and between 90°E - 160°E. The earliest tropical cyclone to be classified as a Category 4 severe tropical cyclone was Gyan which was classified as a Category 4 during December 22, 1981, as it impacted New Caledonia. The latest was Pola as it passed between Fiji and Tonga. This list does include any tropical cyclones that peaked as a Category 5
