Archibald Williamson, 1st Baron Forres PC, known as Sir Archibald Williamson, 1st Baronet, from 1909 to 1922, was a British businessman and Liberal Party politician.
- Occupation
- politician
- Position held
- Member of the Privy Council of the United Kingdom, member of the 31st Parliament of the United Kingdom, member of the 30th Parliament of the United Kingdom, member of the 29th Parliament of the United Kingdom
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- 1860