This is a list of people who have served as Custos Rotulorum of Cardiganshire.
Walter Devereux, 1st Viscount Hereford 1543–1558
John Price 1558 – aft. 1579
George Devereux c. 1584
Richard Price 1590 – 1592, 1594 – 1623
Sir John Lewis bef. 1621–1623
Sir John Lewis 1623–1626
William Compton, 1st Earl of Northampton 1626–1630
Richard Vaughan, 2nd Earl of Carbery 1630–1646
Interregnum
Francis Vaughan, Lord Vaughan 1660–1667
Richard Vaughan, 2nd Earl of Carbery 1670–1686
John Vaughan, 3rd Earl of Carbery 1686–1713
Price Devereux, 9th Viscount Hereford 1714
John Vaughan, 1st Viscount Lisburne 1714–1721
John Vaughan, 2nd Viscount Lisburne 1721–1741
vacant
Thomas Johnes 1743–1780
Wilmot Vaughan, 1st Earl of Lisburne 1780–1800
For later custodes rotulorum, see Lord Lieutenant of Cardiganshire.