Niclas Engelin (born 27 December 1972) is a Swedish heavy metal guitarist for In Flames, Drömriket, Passenger & Engel. Engelin was the lead guitarist for Gardenian, and has been in and out of In Flames on five different occasions.In 1997, he replaced Glenn Ljungström of In Flames who had just quit. In 1998, Niclas quit In Flames and the band's drummer, Bjorn Gelotte, took over his position as guitarist.