Ballycullen

 ( Towns And Villages In South Dublin ) 

Ballycullen () is a townland and suburb of Dublin, Ireland. Ballycullen townland, which has an area of approximately , is in the civil parish of Tallaght.

Ballycullen is split between Dublin 16 (D16) and Dublin 24 (D24), with the Ballycullen Road acting as the historical divide between the two Dublin postal districts. The housing estates which comprise Ballycullen are on both sides of the road, with most of Ballycullen being in D24.

The area is served by Dublin Bus routes 15, 49 and 65b.