Sarah MacIntosh
| Sarah MacIntosh | |
|---|---|
| High Commissioner of the United Kingdom to Australia | |
| Assumed office April 2025 | |
| Monarch | Charles III | 
| Prime Minister | Keir Starmer | 
| Preceded by | Victoria Treadell | 
| Deputy National Security Adviser and Prime Minister’s Adviser on Foreign Affairs | |
| In office 2022–2024 | |
| Monarchs | Elizabeth II Charles III | 
| Prime Minister | Boris Johnson Liz Truss Rishi Sunak Keir Starmer | 
| Preceded by | Sir David Quarrey (Deputy National Security Adviser and Prime Minister’s Adviser on International Affairs) | 
| Permanent Representative of the United Kingdom to NATO | |
| In office 2017–2022 | |
| Monarch | Elizabeth II | 
| Prime Minister | Theresa May Boris Johnson | 
| Preceded by | Paul Johnston (acting) | 
| Succeeded by | David Quarrey | 
| British High Commissioner to Sierra Leone British Ambassador to Liberia | |
| In office 2006–2008 | |
| Monarch | Elizabeth II | 
| Prime Minister | Tony Blair Gordon Brown | 
| Preceded by | John Mitchiner | 
| Succeeded by | Ian Hughes | 
| Personal details | |
| Born | 7 August 1969 | 
Dame Sarah MacIntosh DCMG (born 7 August 1969) is a British diplomat currently appointed British High Commissioner to Australia and Head of the United Kingdom’s Oceania Network from April 2025. She previously served as the Deputy National Security Adviser and Prime Minister’s Adviser on Foreign Affairs from 2022 to 2024 and prior to that as High Commissioner to Sierra Leone, Ambassador to Liberia and British Ambassador to NATO from 2017 to 2022.