Tullyallen may refer to:Tullyallen, County Armagh, a townland in County Armagh, Northern Ireland Tullyallen, County Louth, a village and townland in County Louth, Ireland Tullyallen, County Meath, a civil parish in County Meath, Ireland Tullyallen, County Monaghan, a townland in County Monaghan, Ireland Tullyallen, County Tyrone, a townland in County Tyrone, Northern Ireland