Campbell Turnbull (2 October 1898 – 18 April 1977) was an Australian politician.
He was born at Wedderburn to farmer Robert Turnbull and Jane Grauzer.
After attending state schools he worked for Korong Shire Council until 1914, when he became a railway telegraph operator.
He spent five years as Assistant Crown Solicitor, and specialised in industrial law.
In 1955 Turnbull was elected to the Victorian Legislative Assembly as the Labor member for Brunswick West.