Bill Hassell
| Bill Hassell | |
|---|---|
| Member of the Western Australian Parliament for Cottesloe | |
| In office 19 February 1977 – 28 June 1990 | |
| Preceded by | Ross Hutchinson | 
| Succeeded by | Colin Barnett | 
| 20th Leader of the Opposition (Western Australia) | |
| In office 15 February 1984 – 25 November 1986 | |
| Premier | Brian Burke | 
| Deputy | Barry MacKinnon | 
| Preceded by | Ray O'Connor | 
| Succeeded by | Barry MacKinnon | 
| Agent-General for Western Australia | |
| In office 1994–1996 | |
| Personal details | |
| Born | William Ralph Boucher Hassell 6 June 1943 | 
| Citizenship | Australian | 
| Political party | Liberal Party | 
| Alma mater | University of Western Australia | 
| Profession | Lawyer | 
William Ralph Boucher Hassell, best known as Bill Hassell, (born 6 June 1943) is an Australian former Liberal Party politician who was Leader of the Opposition in Western Australia during the mid-1980s. He was a member of the Western Australian Legislative Assembly seat of Cottesloe between 1977 and 1990.