This is a list of people who have served as Custos Rotulorum of Montgomeryshire.
Sir John Salusbury before 1544 – c. 1548Edward Herbert before 1558–1593Richard Herbert 1594–1596Richard Broughton 1596–1602William Herbert, 1st Baron Powis 1602–1641Philip Herbert, 4th Earl of Pembroke 1641–1643Herbert Vaughan 1643–1646InterregnumEdward Vaughan Mar–July 1660 Edward Herbert, 3rd Baron Herbert of Chirbury 1660–1678Hon. Andrew Newport Jan – Dec 1679Henry Herbert, 4th Baron Herbert of Chirbury 1679–1685Hon. Andrew Newport 1685–1687William Herbert, 1st Marquess of Powis 1687–1689Henry Herbert, 4th Baron Herbert of Chirbury 1689–1691Hon. Andrew Newport 1691–1699Charles Gerard, 2nd Earl of Macclesfield 1700–1701Richard Newport, 2nd Earl of Bradford 1701–1711Price Devereux, 9th Viscount Hereford 1711–1714Richard Newport, 2nd Earl of Bradford 1714–1723Henry Newport, 3rd Earl of Bradford 1724–1734Henry Herbert, 1st Earl of Powis 1735–1772For later custodes rotulorum, see Lord Lieutenant of Montgomeryshire.