The following is a list of people who have held the title of Lord Lieutenant of Montgomeryshire. After 1761, all Lord Lieutenants were also Custos Rotulorum of Montgomeryshire. The office was abolished on 31 March 1974 and replaced by the Lord Lieutenant of Powys, with Deputy Lieutenants for Montgomeryshire.
† Became the first Lord Lieutenant of Powys on 1 April 1974.