Baron St Albans is a title in the British peerage, associated with the town of St Albans in Hertfordshire. The title was created in 1644 for William Montagu, a prominent royalist during the English Civil War. The barony is part of the Montagu family, which has a long history in British nobility. The current holder of the title is Edward Montagu, who became the 4th Baron St Albans in 2021. The title is hereditary, meaning it is passed down through generations. The baronage plays a role in the House of Lords, where hereditary peers can sit and contribute to legislative discussions.