Caroline Millar
| Her Excellency Caroline Millar | |
|---|---|
| Australian Ambassador to Belgium, Luxembourg, the European Union and NATO | |
| Assumed office November 2021 | |
| Monarchs | Elizabeth II Charles III | 
| Prime Minister | Scott Morrison Anthony Albanese | 
| Minister | Marise Payne Penny Wong | 
| Preceded by | Justin Brown Trudy Witbreuk (Chargé d'affaires) | 
| Permanent Representative of Australia to the United Nations Office in Geneva | |
| In office May 2006 – February 2010 | |
| Monarch | Elizabeth II | 
| Prime Minister | John Howard Kevin Rudd | 
| Minister | Alexander Downer Stephen Smith | 
| Preceded by | Michael Smith | 
| Succeeded by | Peter Woolcott | 
| Personal details | |
| Born | 1958 (age 66–67) Melbourne, Victoria, Australia | 
| Education | University of Cambridge (BA, MA) | 
Caroline Millar (born 1958) is an Australian diplomat and public servant who is currently Ambassador to Belgium, Luxembourg, the European Union and NATO. She has previously served as the Deputy Secretary for National Security of the Department of the Prime Minister and Cabinet, Deputy Head of Mission of the Australian Embassy in Washington, D.C., the Permanent Representative to the United Nations in Geneva, and was briefly the acting-Head of Mission of the Australian Permanent Mission to the United Nations in New York.