Trevor Donald Oldham (10 March 1900 – 2 May 1953) was an Australian politician, who was the leader of the Liberal Party in the state of Victoria from 1952 until his death in 1953.

[1] Oldham graduated in law at Melbourne University in 1921, and practised as a solicitor until the weight of parliamentary duties limited his time.

He was a past president of the Royal Victoria Eye and Ear Hospital and a former deputy chancellor of Melbourne University.

Oldham and his wife were killed in a plane crash in India on 2 May 1953, on their way to England to attend the coronation of Queen Elizabeth II.

[3] The BOAC Comet they were travelling in broke up mid-air a few minutes after leaving Calcutta (now Kolkata), amid severe thunderstorms and torrential rain.