John Campbell, 5th Duke of Argyll (1806-1847), was a Scottish nobleman and politician. He was born into the prominent Campbell family and inherited the title from his father, the 4th Duke. The 5th Duke was known for his involvement in politics, serving as a member of the Whig Party and holding various governmental positions, including Lord Privy Seal. In addition to his political career, the 5th Duke was a significant figure in the management of his estates in Scotland. He was also an advocate for social reform and education, contributing to the development of infrastructure and public services in the region. His legacy includes a commitment to improving the lives of his tenants and the local community.