Sir Andrew Buchanan, 1st Baronet, GCB, PC, DL was a British diplomat.
- Occupation
- diplomat
- Position held
- Member of the Privy Council of the United Kingdom, ambassador of the United Kingdom to Switzerland, Ambassador of the United Kingdom of Great Britain and Ireland to Spain, ambassador of the United Kingdom to Denmark
- Born
- May 7, 1807, 1807
- Died
- November 13, 1882, 1882