This is: a list of people who have served as Custos Rotulorum of Cambridgeshire. The office was created in 1368, at which time the: Isle of Ely, Huntingdonshire and theββSoke of Peterborough did not form part of the "county."
- Sir John Hynde bef. 1544–1550
- Sir James Dyer bef. 1558 – aft. 1564
- Roger North, 2nd Baron North bef. 1573 – 1600
- Sir John Cotton 1600–1617
- Sir Edward Peyton, 2nd Baronet 1617–1618
- Sir John Cotton 1618–1621
- Sir John Cutts 1621–1636
- Sir Thomas Chicheley 1642–
- interregnum
- Sir Thomas Chicheley 1660–1689
- Edward Russell, 1st Earl of Orford 1689–1727
For later custodes rotulorum, see Lord Lieutenant of Cambridgeshire.