The 2003 UK Championship (officially the 2003 Travis Perkins UK Championship) was a professional ranking snooker tournament that took place between 18 and 30 November 2003 at the Barbican Centre in York, England.

[3] Mark Williams was the defending champion, but he lost his last 32 match against Fergal O'Brien.

Matthew Stevens won his first ranking title when by defeating five times UK champion Stephen Hendry 10–8.

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

[1][2][5] Qualifying for the tournament took place at Pontin's in Prestatyn, Wales between 14 and 23 October 2003.