John Sinclair, 1st Baron Pentland, was a British politician in the Scottish Liberal Party, a soldier, peer, administrator and Privy Councillor who served as the Secretary of Scotland from 1905 to 1912 and the Governor of Madras from 1912 to 1919.
- Occupation
- politician
- Position held
- Secretary of State for Scotland, member of the 28th Parliament of the United Kingdom, member of the 27th Parliament of the United Kingdom, member of the 26th Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- July 7, 1860