This is a list of people who have served as Custos Rotulorum of Westmorland.
Ambrose Middleton bef. 1544 – aft. 1547Alan Bellingham bef. 1558–1578Sir Thomas Boynton bef. 1579–1582Robert Bragge 1582–1584Sir Thomas Strickland 1584–1612Henry Clifford, 1st Baron Clifford 1621–1641Sir Philip Musgrave, 2nd Baronet 1641–1646InterregnumSir Philip Musgrave, 2nd Baronet 1660–1678John Lowther, 1st Viscount Lonsdale 1678–1700Thomas Wharton, 5th Baron Wharton 1700–1702Thomas Tufton, 6th Earl of Thanet 1702–1706Thomas Wharton, 1st Earl of Wharton 1706–1714Thomas Tufton, 6th Earl of Thanet 1714Thomas Wharton, 1st Marquess of Wharton 1714–1715Henry Lowther, 3rd Viscount Lonsdale 1715–1751For later custodes rotulorum, see Lord Lieutenant of Westmorland.