Stephen Maynard Clark (23 April 1960 – 8 January 1991) was an English musician. He was the principal songwriter and lead guitarist for the English hard rock band Def Leppard, until 1991, when he died from alcohol poisoning. In 2007, Clark was ranked No. 11 on Classic Rock Magazine's "100 Wildest Guitar Heroes". In 2019, Clark was inducted into the Rock and Roll Hall of Fame as a member of Def Leppard.