Oscar Neil Blackburne Oliver ED (16 August 1933 – 8 July 2019) was an Australian politician who was a Liberal Party member of the Legislative Council of Western Australia from 1977 to 1989, representing West Province.
Oliver was an officer cadet of the Australian Army from 1952 to 1954, and then served in the Citizen Military Forces (now the Australian Army Reserve) from 1954 to 1977; reaching the rank of lieutenant-colonel and receiving the Efficiency Decoration.
Outside of the military, Oliver worked as a wool broker in Victoria and New Zealand before moving to Western Australia in 1963.
[1] Oliver attempted to transfer to the Legislative Assembly at the 1989 election, winning Liberal preselection for the seat of Swan Hills.
However, he was narrowly defeated by Labor's Gavan Troy (a minister in the Dowding government), who polled 51.5 percent of the two-party-preferred vote.