Greenan (Irish: An Grianán, meaning 'the summerhouse') is a village in County Wicklow, Ireland.

Nearby are the towns of Rathdrum and Aughrim along with the glaciated valleys of Glendalough and Glenmalure.

The name is spelled 'Greenane' on older signs in the village; the modern version drops the final 'e'.

Greenan is also the name of a crossing in County Monaghan.

This article related to the geography of County Wicklow, Ireland is a stub.