David Fatum (born August 4, 1968 in Prince Rupert, British Columbia) is a Canadian-American darts player who plays for the Professional Darts Corporation. His nickname is The Scorpion. He is not a full-time professional and makes his living as a paramedic firefighter.
Fatum's first major exposure came in the 2008 US Open where he reached the semi finals. In his third round game, he defeated Davis Snider who had earlier beaten North American Darts champion Darin Young and former BDO world champion Steve Beaton. He then beat Stephen Panuncialman who beat Paul Lim in the third round. He then secured wins over Bill Davis and Chris Mason before eventually bowing out to Colin Lloyd.
His performance contributed to him finishing 3rd in the American order of merit, earning him a place in the 2009 PDC World Darts Championship. He defeated Shane O'Connor in the preliminary round, but was beaten by Wayne Mardle in the first round.