John Campbell, 5th Earl of Breadalbane (1796-1862), was a Scottish nobleman known for his role in the management of his family's estates in Scotland. He inherited the title in 1834 and was involved in various social and political issues of his time, including the Highland Clearances, which significantly impacted the Scottish Highlands. The Earl was also a prominent figure in the House of Lords, where he participated in legislative discussions. His contributions to Scottish society included efforts in agriculture and land management, reflecting the challenges and changes occurring in 19th-century Scotland.