| Election Name: | 1966 Queensland state election |
| Country: | Queensland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1963 Queensland state election |
| Previous Year: | 1963 |
| Next Election: | 1969 Queensland state election |
| Next Year: | 1969 |
| Seats For Election: | All 78 seats in the Legislative Assembly of Queensland 40 Assembly seats were needed for a majority |
| Turnout: | 93.27 (0.02 pp) |
| Leader1: | Frank Nicklin |
| Leader Since1: | 21 May 1941 |
| Colour1: | 006946 |
| Party1: | Country–Liberal Coalition |
| Leaders Seat1: | Landsborough |
| Popular Vote1: | 357,729 |
| Percentage1: | 44.77% |
| Swing1: | 0.70 |
| Last Election1: | 46 seats, 44.07% |
| Seats1: | 47 |
| Seat Change1: | 1 |
| Leader2: | Jack Duggan |
| Party2: | Australian Labor Party (Queensland Branch) |
| Leaders Seat2: | Toowoomba West |
| Popular Vote2: | 350,254 |
| Percentage2: | 43.84% |
| Swing2: | 0.01 |
| Last Election2: | 26 seats, 43.83% |
| Seats2: | 26 |
| Leader3: | No leader |
| Party3: | Queensland Labor |
| Popular Vote3: | 49,948 |
| Percentage3: | 6.25% |
| Swing3: | 0.97 |
| Last Election3: | 1 seat, 7.23% |
| Seats3: | 1 |
| Premier | |
| Before Election: | Frank Nicklin |
| Before Party: | Country/Liberal coalition |
| After Election: | Frank Nicklin |
| After Party: | Country/Liberal coalition |
Elections were held in the Australian state of Queensland on 28 May 1966 to elect the 78 members of the Legislative Assembly of Queensland.[1]
The major parties contesting the election were the Country Party led by Premier Frank Nicklin in coalition the Liberal Party, the Labor Party led by Jack Duggan.
The Country-Liberal coalition won a fourth term in office at the election.
| Date | Event | |
|---|---|---|
| 10 March 1966 | The Legislative Assembly was prorogued until 26 April. | |
| 19 April 1966 | The Legislative Assembly was dissolved. | |
| 19 April 1966 | Writs were issued by the Governor, Alan Mansfield, to proceed with an election. | |
| 28 April 1966 | Close of nominations. | |
| 28 May 1966 | Polling day, between the hours of 8am and 6pm. | |
| 10 June 1966 | The Nicklin Ministry was reconstituted. | |
| 25 June 1966 | The writ was returned and the results formally declared. | |
| 1 July 1966 | Deadline for return of the writs. | |
| 2 August 1966 | Parliament resumed for business. |
See also: Results of the Queensland state election, 1966.
|}
| Seat | Pre-1966 | Swing | Post-1966 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Party | Member | Margin | Margin | Member | Party | ||||||
| Fassifern | Independent Country | Alf Muller | 7.7 v CP | N/A | 20.1 v ALP | Alf Muller | Country | ||||
| Hawthorne | Independent Labor | Bill Baxter | 3.0 | -5.5 | 2.5 | Bill Kaus | Liberal | ||||
| Toowoomba East | Liberal | Mervyn Anderson | 0.1 | -5.4 | 5.3 | Peter Wood | Labor | ||||