Don Mountjoy | |
|---|---|
 | |
| Member of the Australian Parliament for Swan | |
| In office 21 August 1943 – 28 September 1946 | |
| Preceded by | Thomas Marwick |
| Succeeded by | Len Hamilton |
| Personal details | |
| Born | 19 October 1906 Middle Swan, Western Australia |
| Died | 8 January 1988 (aged 81) |
| Political party | Labor |
| Occupation | Railwayman |
Donald Alfred Mountjoy (19 October 1906 – 8 January 1988) was an Australian politician. He was a member of the House of Representatives from 1943 to 1946, representing the Western Australian seat of Swan for the Australian Labor Party (ALP). He was a railway worker before entering politics and later served on the Council for Scientific and Industrial Research.