James Hamilton, 7th Earl of Abercorn (22 March 1686 – 11 January 1744), styled Lord Paisley from 1701 to 1734, was a Scottish and Irish nobleman and peer.
An amateur scientist and musician, he published a book on magnetism in 1729 and a treatise on musical harmony in 1730, which was subsequently emended and re-issued by his teacher, Dr.