| Alison Flora MacMillan | |
| Office: | Governor of Gibraltar |
| 1Blankname: | Chief Minister |
| 1Namedata: | Fabian Picardo |
| Term Start: | 28 September 2015 |
| Term End: | 19 January 2016 |
| Predecessor: | Sir James Dutton |
| Successor: | Ed Davis |
| Term Start1: | 13 November 2013 |
| Term End1: | 6 December 2013 |
| Monarch1: | Elizabeth II |
| Predecessor1: | Sir Adrian Johns |
| Successor1: | Sir James Dutton |
| Office2: | Deputy Governor of Gibraltar |
| Term Start2: | May 2013 |
| Term End2: | September 2016 |
| Successor2: | Nick Pyle |
| Birth Place: | Devon, United Kingdom |
| Spouse: | Julian |
| Children: | 2 |
| Nationality: | British |
| Profession: | Diplomat |
Alison Flora MacMillan,, is a British diplomat, who served as Deputy Governor of Gibraltar from 2013 to 2016. For two periods during 2013 and 2015, MacMillan served as governor in an acting capacity.[1] [2]
MacMillan joined the Foreign and Commonwealth Office (FCO) in February 1982, having previously worked as a translator in Paris. She served in British diplomatic missions in Mexico, the US, Chile and Nicaragua.[3] MacMillan was made a member of the Royal Victorian Order in the 2013 New Year Honours when she was deputy director of protocol and assistant marshal of the Diplomatic Corps.
Following the resignation of Vice Admiral Sir Adrian Johns in 2013, MacMillan was sworn in to assume the full powers of the governor.[4] She once more served as interim governor when Johns' successor Lieutenant General Sir James Dutton retired in September 2015.[5]