Clive Selwyn Davis (15 April 1916 – 29 October 2009) was a Professor in Mathematics at the University of Queensland and veteran of World War II.

After World War II, he obtained a scholarship to Trinity College, Cambridge and was awarded his PhD in number theory in 1949, under the supervision of Louis Mordell.

When World War II began, he volunteered in the RAF and served with distinction in two tours of the Middle East and Europe.

He worked for the air Ministry in a new special unit which monitored and oversaw developments deployed in fighter and bomber commands.

He would serve on the Air Staff of the RAAF, and was mentioned in the official war history for his role in the development of operations research.

In the last part of the war, he commanded 103 Squadron of Liberator heavy bombers, in their operations from North Queensland and Papua New Guinea.

[4] He fought for a new building for the Department, improving teaching with the introduction of a separate Honours stream, tutorial classes and recruiting new staff .