Mark Williams (born 21 August 1954, Dargaville, Northland, New Zealand) is a New Zealand singer/guitarist. Williams was a huge pop star in the mid 1970s in New Zealand. He moved to Australia in the late 1970s where he continues to perform as a solo act, and as a member of the New Zealand band Dragon (5) since 2006. He has extensive credits as a backing vocalist in Australia.