The 2012 William Hill Grand Slam of Darts, was the sixth staging of the tournament, organised by the Professional Darts Corporation.

The event took place from 10–18 November 2012 at the Wolverhampton Civic Hall, Wolverhampton, England.

Phil Taylor was the defending champion, but was beaten in the Last 16 by Michael van Gerwen, who went on to make the final, but lost 16–14 to Raymond van Barneveld.

Phil Taylor (1) Adrian Lewis (2) Christian Kist (3) James Wade (4) Simon Whitlock (5) Wes Newton (6) Andy Hamilton (7) Michael van Gerwen (8) Gary Anderson Jan Dekker Terry Jenkins Paul Nicholson Kevin Painter Robert Thornton Raymond van Barneveld Scott Waites Brendan Dolan Ted Hankey Wesley Harms Mervyn King John Part Mark Walsh Mark Webster Dean Winstanley Barrie Bates Steve Beaton James Hubbard Wayne Jones Arron Monk Tony O'Shea Martin Phillips Co Stompé [1] All matches first-to-5/best of 9 NB in Brackets: Number = Seeds; BDO = BDO Darts player; RQ = Ranking Qualifier NB: P = Played; W = Won; L = Lost; LF = Legs for; LA = Legs against; +/- = Plus/minus record, in relation to legs; Average – 3-dart average; Pts = Points; Q = Qualified for K.O.

Scores after player's names are three-dart averages (total points scored divided by darts thrown and multiplied by 3) Source: Match reports in the draw Sky Sports provided television coverage of the event in the United Kingdom, Fox Sports in Australia, OSN across the Middle East and it was available online and partially televised on RTL7 in the Netherlands.