"Sir John Perceval, 1st Baronet" (7 September 1629 – 1 November 1665) was a substantial land owner in Ireland. He was knighted by Henry Cromwell for his services to the Commonwealth government of Ireland during the Interregnum. Shortly before the Restoration he held the offices of Chief Prothonotary of the Common Pleas, Clerk of the Crown. After the Restoration he was granted a baronetcy and given a full pardon for his activities during the Interregnum. After the Restoration he was a Privy Councillor to King Charles II, a Knight of the Shire for the County Cork, and one of the members of the Council of Trade.