Stian Lyngheim Theting (born 21 October 1976) is a former Norwegian football defender/midfielder.
He joined FK Bodø/Glimt in 2004 from Skeid, and stayed there even after their relegation from the 2005 Norwegian Premier League. In 2010, he and Bodø/Glimt agreed to quit the contract. He now plays for Sandnessjøen IL.