The Custos Rotulorum of Cavan was the highest civil officer in County Cavan. The position was later combined with that of Lord Lieutenant of Cavan.

This list is incomplete; you can help by adding missing items. (June 2012)

• ?–?1673 Sir Francis Hamilton, 1st Baronet (died 1673)
• 1673–?1689 Sir Charles Hamilton, Bt (died 1689)
• 1780–1800 Charles Coote, 1st Earl of Bellomont
• 1801–>1819 Nathaniel Sneyd^[1] (died 1833)
• 1831->1834 Thomas Taylour, 2nd Marquess of Headfort^[2]

For later custodes rotulorum, see Lord Lieutenant of Cavan