Roger Ashley Mason is an Australian keyboardist who has been a member of new wave groups Models, Absent Friends, and Icehouse. He was a session and backing musician for the United Kingdom's Gary Numan and for various Australian artists. From the early 1990s, he has composed music for television and feature films.

He appeared on Models best-performing album, Out of Mind, Out of Sight (1985), which reached No. 3 on the Australian Kent Music Report Albums Chart and provided a No. 2 hit, "Barbados," and a No. 1 hit, "Out of Mind, Out of  Sight." On 27 October 2010, Models were inducted into the ARIA Hall of Fame by former member Wendy Matthews.

As a composer, Mason has won 12 Australasian Performing Right Association (APRA) Awards for his TV and film work: MDA (presented in 2003), The Extra (2005), Peking to Paris (2006), The Last Confession of Alexander Pearce (2009), My Place (2010), The Outlaw Michael Howe (2014), The Code (2015), The Principal (2016), and Hungry Ghosts (2021).

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