William Adamson was a Scottish trade unionist and Labour Party politician. He was Leader of the Labour Party from 1917 to 1921 and was Secretary of State for Scotland in 1924 and during 1929–1931 in the first two Labour ministries headed by Ramsay MacDonald.
- Occupation
- politician, trade unionist
- Position held
- Member of the Privy Council of the United Kingdom, Secretary of State for Scotland, member of the 35th Parliament of the United Kingdom, member of the 34th Parliament of the United Kingdom
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- April 2, 1863