Floods in Australia
This is a list of notable recorded floods that have occurred in the country of Australia.
Australia
| Date | Location | State | Fatalities | Notes |
| 1806 | Melbourne | bNSW | 4 | |
| 1820 | Maitland | NSW | ||
| 1852 | Gundagai | NSW | 89 | |
| December 1863 | Melbourne | VIC | 1 | |
| 1869 | Ballarat | VIC | 2 | |
| 1891 | Melbourne | VIC | 1 | |
| 1893 | Brisbane flood | QLD | 11 | |
| 1893 | Maitland | NSW | 9 | |
| 1900 | Western Australian floods | WA | ||
| 1909 | Western Victorian floods | VIC | 4 | |
| 1913 | Maitland | NSW | 1 | |
| 1916 | Clermont | QLD | 65 | |
| 1923 | Adelaide | SA | 3 | |
| 1926 | Southwestern Australia | WA | ||
| 1927 | Wollombi | NSW | ||
| 1929 | Tasmanian Floods | TAS | 22 | |
| 1930 | Maitland | NSW | ||
| 1931 | Maitland | NSW | ||
| 1934 | Yarra River | VIC | 35 | |
| 1947 | June 1947 Tasmanian floods | TAS | ||
| 1949 | Maitland | NSW | ||
| 1950 | Maitland, Gippsland, West Queensland | NSW, VIC, QLD | 1 | |
| 1951 | Maitland | NSW | ||
| 1952 | Maitland | NSW | ||
| 1955 | Maitland flood | NSW | 14 | |
| 1955 | All southern states | WA, SA, VIC, NSW, TAS | 2 | |
| 1956 | Murray River flood | NSW, VIC, SA | ||
| 1970 | All eastern states | QLD, NSW, VIC, TAS | 16 | |
| 1971 | Canberra flood | ACT | 7 | |
| 1971 | Maitland | NSW | ||
| 1974 | Brisbane flood | QLD | 16 | |
| 1984 Feb | West Dapto | NSW | not known | |
| 1986 | Sydney | NSW | 6 | |
| 1990 | East Coast | NSW | 7 | |
| 1996 | Queensland and New South Wales | NSW & QLD | 4 | |
| 1998 | Katherine Townsville Wollongong | NT, QLD, NSW | 3 | |
| June 2007 | Hunter Valley/Maitland floods | NSW | 10 | |
| June 2007 | Gippsland Floods | VIC | ||
| February 2008 | Mackay floods | QLD | ||
| September 2010 | Victorian floods | VIC | ||
| March 2010 | Queensland floods | QLD | ||
| December 2010 | Carnarvon/Gascoyne | WA | ||
| December 2010January 2011 | Queensland floods | QLD | 35 | |
| January 2011 | 2011 Victorian Floods | VIC | 2 | |
| August 2011 | Gippsland | VIC | 1 | |
| FebruaryMarch 2012 | Eastern Australia | NSW, VIC, QLD | 3 | |
| March 2012 | Gippsland and Koowerup | VIC | 0 | |
| JanuaryFebruary 2013 | 2013 Eastern Australia Floods | QLD, NSW | 6 | |
| April 2015 | 2015 Hunter Valley/Central Coast/Sydney Floods | NSW | 8 | |
| May 2015 | SouthEast Queensland Flash Floods | QLD | 5 | |
| September 2016 | Central West and Riverina Floods | NSW | 1 | |
| February 2017 | Western Australian Floods | WA | 2 | |
| Late March 2017 | Eastern Australian Floods caused by Cyclone Debbie | Southern Queensland, Northern NSW | 12 | |
| February 2020 | Widespread flooding in Sydney basin and the Blue Mountains, flooding in central west to the north of NSW and flooding caused by Tropical Cyclone Damien in Karratha | NSW, WA | 0 |