John Olmius, 1st Baron Waltham (18 July 1711 – 5 October 1762), of New Hall, Boreham, Essex, was a British landowner and Whig politician who sat in the House of Commons between 1737 and 1762.
John Olmius, 1st Baron Waltham (18 July 1711 – 5 October 1762), of New Hall, Boreham, Essex, was a British landowner and Whig politician who sat in the House of Commons between 1737 and 1762.