# 1950 Japanese House of Councillors election

House of Councillors elections were held in Japan on 4 June 1950, electing half the seats in the House. The Liberal Party won the most seats.

## Results

Seats :
| Party | Party | Votes | % | Seats | Votes | % | Seats | Not up | Won | Total after | +/– |
| | Liberal Party | 8,313,756 | 29.70 | 18 | 10,414,995 | 35.91 | 34 | 24 | 52 | 76 | New |
| | Japan Socialist Party | 4,854,629 | 17.34 | 15 | 7,316,808 | 25.23 | 21 | 25 | 36 | 61 | +14 |
| | National Democratic Party | 1,368,783 | 4.89 | 1 | 2,966,011 | 10.23 | 8 | 20 | 9 | 29 | New |
| | Ryokufūkai | 3,660,391 | 13.08 | 6 | 1,773,576 | 6.11 | 3 | 41 | 9 | 50 | New |
| | Japanese Communist Party | 1,333,872 | 4.76 | 2 | 1,637,451 | 5.65 | 0 | 2 | 2 | 4 | 0 |
| | Labourers and Farmers Party | 200,066 | 0.71 | 1 | 471,649 | 1.63 | 1 | 3 | 2 | 5 | New |
| | Other parties | 629,370 | 2.25 | 1 | 958,493 | 3.30 | 2 | 0 | 3 | 3 | – |
| | Independents | 7,632,526 | 27.27 | 12 | 3,465,956 | 11.95 | 7 | 3 | 19 | 22 | –89 |
| Total | Total | 27,993,393 | 100.00 | 56 | 29,004,939 | 100.00 | 76 | 118 | 132 | 250 | 0 |
| Valid votes | Valid votes | 27,993,393 | 89.22 | | 29,004,939 | 92.44 | | | | | |
| Invalid/blank votes | Invalid/blank votes | 3,382,542 | 10.78 | | 2,371,573 | 7.56 | | | | | |
| Total votes | Total votes | 31,375,935 | 100.00 | | 31,376,512 | 100.00 | | | | | |
| Registered voters/turnout | Registered voters/turnout | 43,461,371 | 72.19 | | 43,461,371 | 72.19 | | | | | |
| Source: Ministry of Internal Affairs and Communications, National Diet ||||||||||||

### By constituency

| Prefecture | Total seats | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won |
| Prefecture | Total seats | LP | JSP | Ryokufūkai | NDP | LFP | JCP | Others | Ind. |
| Aichi | 3 | 2 | 1 | | | | | | |
| Akita | 1 | 1 | | | | | | | |
| Aomori | 1 | 1 | | | | | | | |
| Chiba | 2 | 2 | | | | | | | |
| Ehime | 1 | | 1 | | | | | | |
| Fukui | 1 | | 1 | | | | | | |
| Fukuoka | 3 | 1 | 1 | | 1 | | | | |
| Fukushima | 2 | 2 | | | | | | | |
| Gifu | 1 | 1 | | | | | | | |
| Gunma | 2 | | | | 1 | | | | 1 |
| Hiroshima | 3 | 1 | 1 | | 1 | | | | |
| Hokkaido | 4 | | 2 | | | | | 2 | |
| Hyōgo | 3 | 1 | 1 | 1 | | | | | |
| Ibaraki | 2 | 1 | | | 1 | | | | |
| Ishikawa | 1 | 1 | | | | | | | |
| Iwate | 1 | | | | | | | | 1 |
| Kagawa | 1 | | 1 | | | | | | |
| Kagoshima | 2 | 1 | 1 | | | | | | |
| Kanagawa | 2 | 1 | 1 | | | | | | |
| Kōchi | 1 | 1 | | | | | | | |
| Kumamoto | 2 | 1 | | | 1 | | | | |
| Kyoto | 2 | 1 | | | | | | | 1 |
| Mie | 1 | | | | | | | | 1 |
| Miyagi | 1 | 1 | | | | | | | |
| Miyazaki | 1 | | 1 | | | | | | |
| Nagano | 2 | 1 | 1 | | | | | | |
| Nagasaki | 1 | 1 | | | | | | | |
| Nara | 1 | | | 1 | | | | | |
| Niigata | 2 | 1 | 1 | | | | | | |
| Ōita | 1 | 1 | | | | | | | |
| Okayama | 2 | 1 | 1 | | | | | | |
| Osaka | 3 | 2 | 1 | | | | | | |
| Saga | 1 | 1 | | | | | | | |
| Saitama | 2 | 1 | 1 | | | | | | |
| Shiga | 1 | 1 | | | | | | | |
| Shimane | 1 | | | | 1 | | | | |
| Shizuoka | 2 | 1 | | 1 | | | | | |
| Tochigi | 2 | 1 | 1 | | | | | | |
| Tokushima | 1 | | | | 1 | | | | |
| Tokyo | 4 | 1 | 1 | | 1 | 1 | | | |
| Tottori | 1 | | 1 | | | | | | |
| Toyama | 1 | | | | | | | | 1 |
| Wakayama | 1 | | | | | | | | 1 |
| Yamagata | 1 | | 1 | | | | | | |
| Yamaguchi | 1 | 1 | | | | | | | |
| Yamanashi | 1 | | | | | | | | 1 |
| National | 56 | 18 | 15 | 6 | 1 | 1 | 2 | 1 | 12 |
| Total | 132 | 52 | 36 | 9 | 9 | 2 | 2 | 3 | 19 |