Ballyogan (Irish: Baile Uí Ógáin, meaning "Hogan's town") is a residential area in Dún Laoghaire–Rathdown, Ireland. It is located approximately 12 km south of Dublin city centre. It is bounded to the west and north by Stepaside and Sandyford; across the M50 motorway to the east is Leopardstown and to the south, Carrickmines. It has a population of about 2,000 people. The Ballyogan Road is nearly 3 km long; it starts in Sandyford at its northern end and ends at Carrickmines.