Brian de Lisle (de L'Isle, de Insula) (died 1234) was an English soldier. By April 1200 Lisle was in the service of King John.[1] In 1204 King John confiscated Gilbert de Mynors's property, including the manors of Barton and Girton in Cambridgeshire and put them in Lisle's custody.[2][3] De Lisle died in 1234; his year of birth is unknown.