Parsonstown is the former name of the town of Birr, County Offaly in Ireland.
Parsonstown may also refer to:
- Two townlands in County Kildare:
- Parsonstown, Ardkill, in the civil parish of Ardkill, barony of Carbury
- Parsonstown, Donaghcumper, in the civil parish of Donaghcumper, barony of North Salt
- Parsonstown, County Louth, a civil parish and townland in County Louth in the barony of Ferrard
- Parsonstown, County Meath, a townland in County Meath in the civil parish of Rathregan, barony of Ratoath
- Parsonstown, County Westmeath, a townland in the civil parish of Tyfarnham, barony of Corkaree