Greenan

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