1934 Wisconsin Senate election should not be confused with 1934 United States Senate election in Wisconsin.
| Election Name: | 1934 Wisconsin State Senate election |
| Country: | Wisconsin |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1932 Wisconsin State Senate election |
| Previous Year: | 1932 |
| Next Election: | 1936 Wisconsin State Senate election |
| Next Year: | 1936 |
| Seats For Election: | 17 of 33 seats in the Wisconsin State Senate |
| Majority Seats: | 17 |
| Election Date: | November 6, 1934 |
| Image1: | Harry W. Bolens (8254105794).jpg |
| Image1 Size: | x150px |
| Leader1: | Harry W. Bolens |
| Party1: | Democratic Party of Wisconsin |
| Seats Before1: | 9 |
| Seats1: | 7 |
| Seats After1: | 14 |
| Seat Change1: | 5 |
| Swing1: | TBD |
| Popular Vote1: | TBD |
| Percentage1: | TBD% |
| Image2 Size: | x150px |
| Leader2: | TBD |
| Party2: | Wisconsin Progressive Party |
| Leaders Seat2: | N/A |
| Last Election2: | N/A |
| Seats Before2: | new party |
| Seats2: | 8 |
| Seats After2: | 13 |
| Seat Change2: | 13 |
| Swing2: | TBD |
| Popular Vote2: | TBD |
| Percentage2: | TBD% |
| Party4: | Republican Party of Wisconsin |
| Image4: | File:3x4.svg |
| Image4 Size: | x150px |
| Seats Before4: | 22 |
| Seats4: | 2 |
| Seats After4: | 6 |
| Seat Change4: | 15 |
| Leader4: | Orland Steen Loomis (retired) |
| Image5: | File:3x4.svg |
| Image5 Size: | x150px |
| Party5: | Socialist Party |
| Leader5: | N/A |
| Leaders Seat5: | N/A |
| Seats Before5: | 1 |
| Seat Change5: | 1 |
| Seats5: | 0 |
| Seats After5: | 0 |
| Swing4: | TBD |
| Swing5: | TBD |
| Popular Vote5: | 27,752 |
| Before Election: | Orland S. Loomis |
| President pro tempore | |
| After Election: | Harry W. Bolens |
| After Party: | Democratic Party (United States) |
| Before Party: | Republican Party (United States) |
The 1934 Wisconsin Senate elections were held on Tuesday, November 6, 1934. Seventeen of the 33 seats in the Wisconsin State Senate were up for election - the odd-numbered districts.
| Seats | Party (majority caucus shading) | Total | |||||
|---|---|---|---|---|---|---|---|
| Democratic | Socialist | Progressive | Republican | ||||
| Last election (1934) | 7 | 1 | 0 | 9 | 16 | ||
| Total after last election (1934) | 9 | 19 | 33 | ||||
| Total before this election | 13 | 1 | 0 | 18 | 31 | ||
| Up for election | 3 | 1 | 13 | 17 | |||
| of which: | Incumbent retiring | 1 | 3 | 4 | |||
| Vacated | 1 | 1 | |||||
| This election | 7 | 0 | 8 | 2 | 17 | ||
| Change from last election | 1 | 1 | |||||
| Total after this election | 14 | 0 | 13 | 6 | 33 | ||
| Change in total | 5 | 1 | 13 | 2 | |||
| Dist. | Incumbent | This race[1] | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Member | Party | First elected | Status | Primary | General | Result | |||||
| 01 | Republican | 1922 | Running | TBD | Incumbent re-elected. Progressive gain. | ||||||
| 03 | None | New member to be elected | TBD | New member elected. Democratic gain. | |||||||
| 05 | Republican | 1922 | Running | TBD | New member elected. Democratic gain. | ||||||
| 07 | Republican | 1930 | Retiring | TBD | New member elected. Democratic gain. | ||||||
| Socialist | 1922 | Running | Incumbent defeated. Socialist loss | ||||||||
| 09 | Republican | 1924 | Running | TBD | New member elected. Democratic gain. | ||||||
| 11 | Republican | 1930 | Running | TBD | Incumbent re-elected | ||||||
| 13 | Democratic | 1930 | Running for Wisconsin's 8th congressional district | TBD | New member elected. Progressive gain. | ||||||
| 15 | Democratic | 1933 | Running | TBD | New member elected. Republican gain. | ||||||
| 17 | Republican | 1932 | Running | TBD | Incumbent re-elected. Progressive gain. | ||||||
| 19 | colspan="4" | --Vacant-- | TBD | New member elected. Democratic gain. | |||||||
| 21 | Republican | 1926 | Running | TBD | New member elected. Democratic gain. | ||||||
| 23 | Republican | 1918 | Running | TBD | Incumbent re-elected. Progressive gain. | ||||||
| 25 | Republican | 1926 | Running | TBD | New member elected. Progressive gain. | ||||||
| 27 | Democratic | 1930 | Running | TBD | Incumbent re-elected. Progressive gain. | ||||||
| 29 | Republican | 1930 | Running | TBD | Incumbent re-elected. Progressive gain. | ||||||
| 31 | Republican | 1930 | Retired to run for Attorney General as a Progressive | TBD | New member elected. Progressive gain. | ||||||
| 33 | Republican | 1930 | Not running | TBD | New member elected. Democratic gain. | ||||||