List of Australian Ambassadors to the United States. The Embassy of Australia in Washington is one of Australia's most important diplomatic postings, having been established in 1930.
Several distinguished Australians have been Ambassador, one Governor-General of Australia (Lord Casey), one Chief Justice of Australia (Sir Owen Dixon), one Governor of Tasmania (Sir James Plimsoll) and former federal political leaders Andrew Peacock from the Liberal Party of Australia and Kim Beazley of the Australian Labor Party.
| Ambassador | Start of Term | End of Term |
|---|---|---|
| The Rt Hon. The Lord Casey KG GCMG CH DSO MC PC | 1940 | 1942 |
| The Rt Hon. Sir Owen Dixon OM GCMG KBE QC | 1942 | 1944 |
| The Hon. Sir Frederick Eggleston | 1944 | 1946 |
| The Hon. Norman Makin AO | 1946 | 1951 |
| The Hon. Sir Percy Spender KCVO KBE QC | 1951 | 1957 |
| The Hon. Sir Howard Beale KBE | 1958 | 1964 |
| Sir Keith Waller | 1964 | 1970 |
| Sir James Plimsoll AC CBE KStJ | 1970 | 1973 |
| Sir Patrick Shaw CBE | 1974 | 1975 |
| Sir Nicholas Parkinson (1) | 1976 | 1976 |
| Alan Renouf OBE | 1977 | 1979 |
| Sir Nicholas Parkinson (2) | 1979 | 1982 |
| The Hon. Sir Robert Cotton KCMG AO | 1982 | 1985 |
| Rawdon Dalrymple AO | 1985 | 1989 |
| Michael Cook AO | 1989 | 1993 |
| Dr. Donald Russell | 1993 | 1995 |
| John McCarthy AO | 1995 | 1997 |
| The Hon. Andrew Peacock AC GCL | 1997 | 1999 |
| Michael Thawley AO | 2000 | 2005 |
| Dennis Richardson AO | 2005 | 2010 |
| The Hon. Kim Beazley AC | 2010 | - |