Rathgar
| Rathgar Ráth Garbh | |
|---|---|
| Suburb | |
| Garville Avenue, Rathgar | |
| Coordinates: 53°18.7′N 6°16.46′W / 53.3117°N 6.27433°W | |
| Country | Ireland | 
| Province | Leinster | 
| County | Dublin | 
| Local government area | Dublin City | 
Rathgar (Irish: Ráth Garbh, meaning 'rough ringfort') is a suburb of Dublin, Ireland. Originally a village, which from 1862 was part of the township of Rathmines and Rathgar, it was absorbed by the growing city and became a suburb in 1930. It lies about three kilometres south of the city centre.