Ballynahinch may refer to:
Northern Ireland Ballynahinch, County Armagh, a townland; see List of townlands of County Armagh Ballynahinch, County Down, a town
Republic of Ireland Ballynahinch (barony), in County Galway Ballynahinch, County Galway, a townland in County Galway Ballynahinch, County Longford, a townland in Cashel civil parish, barony of Rathcline Ballynahinch, County Offaly, a townland in Kilcumreragh civil parish, barony of Kilcoursey Ballynahinch, County Tipperary, a townland; see List of townlands of County Tipperary