1855 in Australia
The following lists events that happened during 1855 in Australia.
- Governor of New South Wales – Sir Charles Augustus FitzRoy
- Governor of South Australia – Sir Richard MacDonnell (from 8 June)
- Lieutenant-Governor of Van Diemen's Land – Henry Young (from 8 January)
- Lieutenant-Governor of Victoria (Governor of Victoria from 22 May) – Sir Charles Hotham (until 10 November)
- Governor of Western Australia as a Crown Colony – Captain Charles Fitzgerald