Baron Newark is a title in the British peerage, associated with the town of Newark-on-Trent in Nottinghamshire, England. The title was created in 1886 for John William Heneage Jesse, a prominent politician and historian. As a baron, he held a seat in the House of Lords, contributing to legislative discussions and decisions. The title has been passed down through generations, with the current holder being the Baron Newark of the Jesse family. The barony is part of the wider system of nobility in the UK, which includes various ranks such as duke, marquess, earl, viscount, and baron.