William George Alexander McKenzie OBE (3 December 1883 – 4 February 1969) was an Australian politician. He was born in Woodend to hotel-keeper Henry Daniel McKenzie and Elizabeth Perry. He was educated at Wesley College. Melbourne. On 23 June 1914 he married Mary Germaine, in Woodend, with whom he had three children. After the birth of his first child Joyce in Kyneton, he moved with his family to Wonthaggi, Victoria, where he worked for a time as a clerk at the State owned coal mine. From around 1922 he kept a general store at Wonthaggi, and also invested in gold. He served on the Borough of Wonthaggi