The Langrishe Baronetcy, of Knocktopher Abbey in the County of Kilkenny, is a title in the Baronetage of Ireland. It was created on 19 February 1777 for Sir Hercules Langrishe, who represented Knocktopher in the Irish House of Commons. The family seat from 1679 to 1981 was , near Knocktopher, County Kilkenny.