Mount Merrion
| Mount Merrion Cnoc Mhuirfean | |
|---|---|
| Suburb | |
| Coordinates: 53°17′46″N 6°12′44″W / 53.296°N 6.2121°W | |
| Country | Ireland | 
| Province | Leinster | 
| Traditional county | County Dublin | 
| County | Dún Laoghaire–Rathdown | 
| Population  (2019) | |
| • Urban | 4,563 | 
| Time zone | UTC+0 (WET) | 
| • Summer (DST) | UTC-1 (IST (WEST)) | 
| Eircode (Routing Key) | A94 | 
| Area code | 01 (+3531) | 
| Irish Grid Reference | O191291 | 
Mount Merrion (Irish: Cnoc Mhuirfean) is a suburb of Dublin, Ireland. It is roughly 7 kilometres (5 mi) south of Dublin city centre and is situated on and around the hill of the same name.