The 2006 Welsh Open was a professional ranking snooker tournament that took place between 27 February and 5 March at the Newport Centre in Newport, Wales.

Ronnie O'Sullivan was the defending champion, but he lost his last 32 match against Ian McCulloch.

Stephen Lee won his fourth ranking title by defeating World Champion Shaun Murphy 9–4.

The remaining places were allocated to players based on the world rankings.

The breakdown of prize money for this year is shown below:[1] Winner: £35,000 Runner Up: £17,500 Semi Finalist: £8,750 Quarter Finalist: £6,500 Last 16: £4,275 Last 32: £2,750 Last 48: £1,725 Last 64: £1,325 Stage two highest break: £2000 Stage two maximum break: £20,000