Greenan may refer to:
Greenan (surname)
Places Northern Ireland Greenan, Aghaderg, a townland in the civil parish of Aghaderg in County Down Greenan, Bodoney Lower, a townland in the civil parish of Bodoney Lower in County Tyrone Greenan, County Armagh, a townland in the civil parish of Grange in County Armagh Greenan, County Fermanagh, a townland in the civil parish of Kinawley in County Fermanagh Greenan, County Londonderry, a townland in the civil parish of Faughanvale in County Londonderry Greenan, Culfeightrin, a townland in the civil parish of Culfeightrin in County Antrim Greenan, Dromore, County Down, a townland in civil parish of Dromore in County Down Greenan, Dromore, County Tyrone, a townland in the civil parish of Dromore in County Tyrone Greenan, Duneane, a townland in the civil parish of Duneane in County Antrim Greenan, Kilskeery, a townland in the civil parish of Kilskeery in County Tyrone Greenan, Newry, a townland in the civil parish of Newry in County Down Republic of Ireland Greenan Mountain, County Donegal Greenan, County Donegal, a townland in the civil parish of Killymard, County Donegal Greenan, County Wicklow, a village Greenan, Kilbeggan, a townland in the civil parish of Kilbeggan, County Westmeath Greenan, Killucan, a townland in the civil parish of Killucan, County Westmeath The Greenan, an alternative name for the Grianan of Aileach, an ancient stone-fort atop Greenan Mountain, County Donegal Scotland Greenan, South Ayrshire, a settlement in Scotland Greenan Castle, a castle in Scotland