| Honorific-Prefix: | The Honourable |
| Tony Messner | |
| Office: | Administrator of Norfolk Island |
| Term Start: | 4 August 1997 |
| Term End: | 30 July 2003 |
| Governor-General: | Sir William Deane Peter Hollingsworth Michael Jeffrey |
| Predecessor: | Alan Kerr |
| Successor: | Grant Tambling |
| Office2: | Minister for Veterans' Affairs |
| Primeminister2: | Malcolm Fraser |
| Term Start2: | 3 November 1980 |
| Term End2: | 11 March 1983 |
| Predecessor2: | Evan Adermann |
| Successor2: | Arthur Gietzelt |
| Title3: | Senator for South Australia |
| Term Start3: | 13 December 1975 |
| Term End3: | 17 April 1990 |
| Successor3: | John Olsen |
| Birth Date: | 1939 9, df=yes |
| Birth Place: | Melbourne, Victoria, Australia |
| Party: | Liberal |
| Profession: | Accountant |
Anthony John Messner (born 24 September 1939) is a former Australian politician and government minister.
Messner was born in Melbourne and educated at a state primary school in Queensland, Pulteney Grammar School, Adelaide and the South Australian Institute of Technology.[1]
Messner was elected as a Senator for South Australia at the 1975 election. He was appointed Minister for Veterans' Affairs in November 1980 and held that position until the defeat of the Fraser government at the March 1983 election. He resigned from parliament in April 1990.[2] [3]
Messner was Administrator of Norfolk Island from August 1997 to July 2003. He was made a member of the Order of Australia in 2004 for "service to the Australian Parliament, to Norfolk Island as Administrator, and to the community, particularly veterans and their families".[4]