| Tournament Name: | Welsh Professional Championship |
| Venue: | Newport Centre |
| Location: | Newport |
| Country: | Wales |
| Organisation: | WPBSA |
| Format: | Non-ranking event |
| Total Prize Fund: | £26,000[1] |
| Winners Share: | £10,500 |
| Highest Break: | (124)[2] |
| Winner: | Doug Mountjoy |
| Runner Up: | Terry Griffiths |
| Score: | 9–6 |
| Previous: | 1988 |
| Next: | 1990 |
The 1989 Senator Windows Welsh Professional Championship was a professional non-ranking snooker tournament, which took place between 13 and 18 February 1989 at the Newport Centre in Newport, Wales.[3]
Doug Mountjoy won the tournament defeating Terry Griffiths 9–6 in the final.[4]