Custos Rotulorum of Monmouthshire

This is a list of people who have served as custos rotulorum of Monmouthshire.

For later custodes rotulorum, see Lord Lieutenant of Monmouthshire.
 * Richard Morgan bef. 1544–1556
 * Thomas Somerset bef. 1558 – aft. 1562
 * Rowland Morgan bef. 1564 – aft. 1577
 * William Herbert bef. 1584–1593
 * Henry Herbert, 2nd Earl of Pembroke bef. 1594–1601
 * Edward Somerset, 4th Earl of Worcester 1601–1628
 * William Herbert, 3rd Earl of Pembroke 1628–1630
 * Philip Herbert, 4th Earl of Pembroke 1630 – aft. 1636
 * Sir Nicholas Kemeys, 1st Baronet 1645–1646
 * English Interregnum
 * Henry Somerset, 1st Duke of Beaufort 1660–1689
 * Charles Gerard, 1st Earl of Macclesfield 1689–1694
 * Thomas Morgan 1695–1700
 * John Morgan 1701–1720