Viscount Portman is a title in the British peerage, associated with the Portman family. The title was created in 1892 for Edward Portman, who was a prominent landowner and politician. The family has a long history in Dorset, where they have owned significant estates. The current holder of the title is William Portman, the 8th Viscount Portman, who succeeded his father in 2021. The Portman family is known for their contributions to local development and their involvement in various charitable activities. The family seat is Bryanston House, located in Dorset.