Sir Henry Piers 1st Baronet (1629–1691), of Tristernagh Abbey, County Westmeath, Ireland was an Anglo-Irish landowner, soldier, Member of Parliament, Sheriff of Counties Longford and Westmeath, Sheriff of St Johnstown, and an antiquarian.
- Occupation
- writer
- Position held
- Member of Parliament in the Parliament of Ireland
- Born
- 1629
- Died
- September 19, 1691