Mark Webster (born 12 August 1983 in St Asaph) is a professional left-handed Welsh darts player who lives in Denbigh. Known as Webby, but nicknamed Spider he plays in Professional Darts Corporation events. He began his career on the British Darts Organisation (BDO) circuit, winning the BDO World Championship in 2008. Webster became a full-time professional in 2009, having previously been a fully qualified registered plumber.