| Alastair McPhail | |
| Office: | Permanent UK Representative to the African Union |
| Term Start: | 28 January 2019 |
| Office1: | Permanent UK Representative to the UN Economic Commission for Africa |
| Term Start1: | 28 January 2019 |
| Office2: | British Ambassador to Ethiopia |
| Term Start2: | 28 January 2019 |
| Predecessor2: | Susanna Moorehead |
| Office3: | British Ambassador to South Sudan |
| Term Start3: | July 2011 |
| Term End3: | 2013 |
| Successor3: | Ian Hughes |
| Birth Name: | Alastair David McPhail |
| Birth Date: | 2 March 1961 |
Alastair David McPhail (born 2 March 1961) is a British diplomat who was the United Kingdom's first Ambassador to the Republic of South Sudan, appointed in July 2011 when the country gained independence. He had served as consul-general from 16 March 2011.[1] [2] McPhail left South Sudan in March 2013[3] [4] and was appointed to be British Consul-General in Jerusalem from January 2014.[5] He was replaced in Jerusalem in 2017 and was appointed to be ambassador to the Federal Democratic Republic of Ethiopia from January 2019.[6] He took up the post on 28 January 2019.[7]
McPhail was appointed Officer of the Order of the British Empire (OBE) in the 2005 New Year Honours. He was appointed Companion of the Order of St Michael and St George (CMG) in the 2014 New Year Honours for services to British interests in South Sudan.