Tullyallen

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