James Stewart, 1st Earl of Buchan (1442–1499) was a Scottish noble. He was the uncle of James III of Scotland who granted him the Earldom of Buchan in 1469. Buchan repaid his nephew by fighting for his cause against rebellious southern barons. Through his marriage to Margaret Ogilvy he acquired the title Lord Auchterhouse.
- Occupation
- diplomat
- Position held
- Member of the Parliament of Scotland, Warden of the Scottish Middle March, Warden of the Scottish Eastern March
- Citizenship
- Kingdom of Scotland
- Born
- 1445
