This is a list of people who have served as Custos Rotulorum of Denbighshire.

• Sir John Salusbury bef. 1544 – c. 1548
• Sir John Salusbury bef. 1558–aft. 1564
• Robert Dudley, 1st Earl of Leicester bef. 1573–1588
• Sir Thomas Egerton bef. 1594–1596
• Roger Puleston 1596–1618
• Evan Lloyd 1618 – aft. 1621
• Sir Thomas Myddelton 1626 – aft. 1636
• Sir Thomas Salusbury, 2nd Baronet 1642–1643
• William Wynne 1643
• William Price 1643–1646
• Interregnum
• Sir Thomas Myddelton 1660–1666
• Edward Herbert, 3rd Baron Herbert of Chirbury 1666–1678
• Sir Thomas Myddelton, 2nd Baronet 1678–1684
• Sir Richard Myddelton, 3rd Baronet 1684–1688
• William Herbert, 1st Marquess of Powis 1688–1689
• Sir Robert Cotton, 1st Baronet 1689
• Sir William Williams, Bt. 1689–1690
• Sir Richard Myddelton, 3rd Baronet 1690–1699
• Sir Robert Cotton, 1st Baronet 1699–1702
• Sir Richard Myddelton, 3rd Baronet 1702–1716
• Sir Robert Salusbury Cotton, 3rd Baronet 1716–1748

For later custodes rotulorum, see Lord Lieutenant of Denbighshire.