| |||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||
|
A by-election was held for the Australian House of Representatives seat of Wilmot on 27 May 1939. This was triggered by the death of Prime Minister Joseph Lyons, a member of the United Australia Party.
The by-election was won by Labor candidate Lancelot Spurr.