Stephen Maynard Clark (23 April 1960 – 8 January 1991) was an English musician by his major profession which he lived with till his last breathe. In the field of his profession he was best known as the co-lead guitarist and a principal songwriter for the British hard rock band, Def Leppard, until his 1991 death from an overdose brought on by a combination of multiple prescription drugs and alcohol. Though he is not alive anymore, still his net worth has not been mentioned in any informative source. His readers are still wondering upon how much he made out of his profession till he lived. In 2007, Clark was ranked No. 11 on Classic Rock Magazine's "100 Wildest Guitar Heroes".

Steve Clark was born and raised in Hillsborough, South Yorkshire, the northwestern suburb of Sheffield, England. From a very early age, he showed an interest in music with one such example being his attendance at a concert held by Cliff Richard and the Shadows aged 6. At 11, he received his first guitar which was purchased by his father on the condition that he learned to play. Clark studied classical guitar for a year before one day he discovered Jimmy Page and Led Zeppelin at a friend's house. Before joining Def Leppard in 1978, Clark played cover songs with his small band, Electric Chicken, in Sheffield. Around that time, he met Pete Willis. While a guitarist for Def Leppard, he contributed to the band's music and lyrics. Clark always stated that he was more of a traditionalist when it came to guitars. This can be seen in his selection of gear. At the time of his death, it was estimated that he owned approximately 75 guitars. Prior to his death, Clark contributed to the recording of half of the band's 1992 album, Adrenalize. On Tuesday 8 January 1991, Clark was found dead on his couch by Dean. He was 30 years old. The autopsy revealed that he had died from an overdose of codeine.