David Wallace Newnes is an Australian lawyer and judge who was a member of the Court of Appeal of Western Australia.
In 1978, Newnes graduated from the Law School at the University of Western Australia.
[1] That same year, after completing articles of clerkship with the Australian law firm Muir Williams Nicholson, Newnes was admitted to legal practice.
[2] In 1982, Newnes joined Hong Kong law firm Mallesons Stephen Jaques as a solicitor.
In 2007, Newnes became a justice and on 24 February 2009, was appointed to the Court of Appeal of Western Australia.