| Personal information | |||
|---|---|---|---|
| Date of birth | 16 June 1979 | ||
| Place of birth | Dublin, Ireland | ||
| Height | 1.80 m (5 ft 11 in) | ||
| Position(s) | Forward | ||
| Youth career | |||
| Corduff United | |||
| Rivermount | |||
| Verona | |||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2001–2008 | Drogheda United | 188 | (76) |
| 2009 | Dundalk | 16 | (4) |
| 2009 | → St Patrick's Athletic (loan) | 12 | (2) |
| 2009–2010 | Valletta | 12 | (9) |
| 2010 | Athlone Town | 9 | (4) |
| 2011 | Monaghan United | 26 | (13) |
| 2012–2014 | Drogheda United | 101 | (42) |
| 2015–2017 | Glenavon | 32 | (9) |
| 2017 | Carrick Rangers | 10 | (3) |
| 2017–2018 | Verona | 19 | (4) |
| Total | 425 | (166) | |
| Managerial career | |||
| 2017–2018 | Verona | ||
| *Club domestic league appearances and goals, correct as of 16:54, 15 January 2017 (UTC) | |||
Declan 'Fabio' O'Brien (born 16 June 1979) is an Irish former professional footballer who played as a striker. He is Drogheda United's top goalscorer of all time.