Mark Opitz AM (born 1952) is an Australian record producer and audio engineer. He started his career with Australian Broadcasting Corporation (ABC) in 1971. He has produced AC/DC, the Angels, Australian Crawl, Cold Chisel, Divinyls and INXS. He has won the ARIA Award for Producer of the Year in 1987 and 1988. He had previously won Best Australian Producer at the Countdown Awards for his work in 1980, 1982, 1985 and 1986. On 8 June 2020 he was appointed a Member of the Order of Australia (AM) for "significant service to the performing arts, particularly to music production." In August of that year he was listed as one of The 7 Most Influential Music Producers of All Time by Mixdown Magazine's David Tomisch and Will Brewster.