| Tournament information | |
|---|---|
| Dates | 17–23 January 2005 |
| Venue | Newport Centre |
| City | Newport |
| Country | Wales |
| Organisation | WPBSA |
| Format | Ranking event |
| Total prize fund | £225,000 |
| Winner's share | £35,000 |
| Highest break |  Ronnie O'Sullivan (ENG) (146) |
| Final | |
| Champion | Ronnie O'Sullivan (ENG) |
| Runner-up |  Stephen Hendry (SCO) |
| Score | 9–8 |
← 2004 2006 → | |
The 2005 Welsh Open was a professional ranking snooker tournament that took place between 17 and 23 January 2005 at the Newport Centre in Newport, Wales.
Ronnie O'Sullivan successfully defended his title by beating Stephen Hendry 9–8.