William Beckwith McInnes (18 May 1889 – 9 November 1939) was an Australian portrait painter, winner of the Archibald Prize seven times for his traditional style paintings.

[2][3] In 1928 he exhibited with the Royal Academy, and in 1933 he visited England again to paint the Duke of York (later King George VI).

[4] In 1937 McInnes became an invited foundation member of, and exhibited with, Robert Menzies' anti-modernist organisation, the Australian Academy of Art.

In addition, McInnes has painted a variety of important people in Australian history including officials and aristocratic families.

On 30 November 1937 around midnight the car he was driving struck and killed a pedestrian, James Lowrey, on Brunswick Street in Fitzroy.

At the inquest evidence was brought forward that a drug (Luminal) he was taking for the condition could have affected his driving and been responsible for his staggering and not remembering details of the accident.