| Danny O'Brien | |
| Fullname: | Danny O'Brien |
| Birth Date: | 1980 2, df=yes |
| Originalteam: | Garfield, Gippsland Power |
| Height: | 180 cm |
| Weight: | 78 kg |
| Currentclub: | Noosa Tigers QAFL Premier Div. |
| Statsend: | 2000 |
| Years1: | 2000 |
| Games Goals1: | 8 (6) |
Danny O'Brien (born 6 February 1980) is a former Australian rules footballer for the Geelong Football Club in the Australian Football League (AFL), playing eight games in 2000.