| Type: | parliamentary |
| Ongoing: | no |
| Election Date: | 12 December 1906 |
| Previous Election: | 1903 Australian Senate election |
| Previous Year: | 1903 |
| Next Election: | 1910 Australian Senate election |
| Next Year: | 1910 |
| Seats For Election: | 18 of the 36 seats in the Senate |
| Majority Seats: | 18 |
| Image1: | Sir Geo. Reid LCCN2014706466 (cropped).tif |
| Leader1: | George Reid |
| Party1: | Free Trade Party |
| Leaders Seat1: | Not a Senator |
| Seats Before1: | 13 |
| Seats1: | 12 |
| Seats After1: | 17 |
| Seat Change1: | 4 |
| Popular Vote1: | 469,917 |
| Percentage1: | 47.4% |
| Swing1: | 12.2pp |
| Leader2: | Gregor McGregor |
| Party2: | Australian Labour Party |
| Leaders Seat2: | South Australia |
| Seats Before2: | 14 |
| Seats2: | 5 |
| Seats After2: | 15 |
| Seat Change2: | 1 |
| Popular Vote2: | 384,171 |
| Percentage2: | 38.7% |
| Swing2: | 11.4pp |
| Image3: | AlfredDeakin.jpeg |
| Leader3: | Alfred Deakin |
| Party3: | Protectionist Party |
| Leaders Seat3: | Not a Senator |
| Seats Before3: | 8 |
| Seats3: | 1 |
| Seats After3: | 3 |
| Seat Change3: | 5 |
| Popular Vote3: | 92,931 |
| Percentage3: | 9.4% |
| Swing3: | 8.1pp |
The Australian states each elected three members of the Australian Senate at the 1906 federal election to serve a six-year term starting on 1 January 1907.
| Votes | % | Swing | Seats won | Seats held | Change | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Anti-Socialist | align=right | 469,917 | align=right | 47.4 | align=right | +12.2 | align=right | 12 | align=right | 17 | align=right | 4 | ||
| Labour | align=right | 384,171 | align=right | 38.7 | align=right | +11.4 | align=right | 5 | align=right | 15 | align=right | 1 | ||
| Protectionist | align=right | 92,931 | align=right | 9.4 | align=right | −8.1 | align=right | 1 | align=right | 3 | align=right | 5 | ||
| align=right | 24,353 | align=right | 2.5 | align=right | align=right | align=right | align=right | |||||||
| align=right | 12,546 | align=right | 1.3 | align=right | −1.1 | align=right | align=right | align=right | ||||||
| Independents/Other | align=right | 7,942 | align=right | 0.8 | align=right | align=right | 0 | align=right | 1 | align=right | ||||
| Independents/Other | align=right | 44,871 | align=right | 4.5 | align=right | align=right | 0 | align=right | 1 | align=right | ||||
| Total | align=right | 991,850 | align=right | align=right | align=right | 18 | align=right | 36 | align=right | |||||
| Invalid/blank votes | align=right | 67,318 | align=right | 6.4 | align=right | –5.2 | align=right | align=right | ||||||
| Turnout | align=right | 1,059,168 | align=right | 50.2 | align=right | align=right | align=right | |||||||
| Registered voters | align=right | 2,109,562 | align=right | align=right | align=right | align=right | ||||||||
| Source: Psephos: 1906 Senate | ||||||||||||||
Each elector voted for up to three candidates. Percentages refer to the number of voters rather than the number of votes.
Each elector voted for up to three candidates. Percentages refer to the number of voters rather than the number of votes.
Each elector voted for up to three candidates. Percentages refer to the number of voters rather than the number of votes.
Each elector voted for up to three candidates. Percentages refer to the number of voters rather than the number of votes.
Each elector voted for up to three candidates. Percentages refer to the number of voters rather than the number of votes.
Each elector voted for up to three candidates. Percentages refer to the number of voters rather than the number of votes.