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.