Oliver Plunkett (or Oliver Plunket; ; 1 November 1625 – 1 July 1681) was the Catholic Archbishop of Armagh and Primate of All Ireland and the last victim of the Popish Plot. He was beatified in 1920 and canonised in 1975, thus becoming the first new Irish saint in almost seven hundred years.
- Occupation
- Catholic archbishop, Catholic priest, Catholic deacon
- Position held
- Roman Catholic Archbishop of Armagh, Catholic metropolitan archbishop
- Citizenship
- Kingdom of Ireland
- Born
- November 1, 1629
- Died
- July 1, 1681