Bernard John "Bernie" Marsden (born 7 May 1951) is an English rock and blues guitarist.
He is primarily known for his work with Whitesnake, having written or co-written with David Coverdale many of the group's hit songs, such as "Fool for Your Loving", "Walking in the Shadow of the Blues", 'She's A Woman' "Lovehunter", "Trouble" "Child of Babylon' 'Rough and Ready' and the multi-million selling chart-topper "Here I Go Again."