| Election Name: | 1950 Japanese House of Councillors election |
| Country: | Japan |
| Flag Year: | 1870 |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1947 Japanese House of Councillors election |
| Previous Year: | 1947 |
| Next Election: | 1953 Japanese House of Councillors election |
| Next Year: | 1953 |
| Seats For Election: | 132 of the 250 seats in the House of Councillors |
| Majority Seats: | 126 |
| Election Date: | 4 June 1950 |
| Image1: | Shigeru Yoshida smiling2.jpg |
| Leader1: | Shigeru Yoshida |
| Party1: | Liberal Party (Japan, 1950) |
| Seats After1: | 76 |
| Popular Vote1: | 8,313,756 |
| Percentage1: | 29.70% |
| Leader2: | Tetsu Katayama |
| Party2: | Japan Socialist Party |
| Seats After2: | 61 |
| Popular Vote2: | 4,854,629 |
| Percentage2: | 17.34% |
| Party3: | Ryokufūkai (1947–1960) |
| Seats After3: | 50 |
| Popular Vote3: | 3,660,391 |
| Percentage3: | 13.08% |
| Image4: | TOMABECHI Gizo.jpg |
| Leader4: | Tomabechi Gizō |
| Party4: | National Democratic Party (Japan) |
| Seats After4: | 29 |
| Popular Vote4: | 1,368,783 |
| Percentage4: | 4.89% |
| Image5: | Hisao Kuroda 01.jpg |
| Leader5: | Hisao Kuroda |
| Party5: | Labourers and Farmers Party |
| Seats After5: | 5 |
| Popular Vote5: | 200,066 |
| Percentage5: | 0.71% |
| Image6: | TOKUDA Kyuichi.jpg |
| Leader6: | Kyuichi Tokuda |
| Party6: | Japanese Communist Party |
| Seats After6: | 4 |
| Popular Vote6: | 1,333,872 |
| Percentage6: | 4.76% |
| President of the House of Councillors | |
| Posttitle: | President of the House of Councillors-designate |
| Before Election: | Naotake Satō |
| Before Party: | Ryokufūkai (1947–1960) |
| After Election: | Naotake Satō |
| After Party: | Ryokufūkai (1947–1960) |
House of Councillors elections were held in Japan on 4 June 1950,[1] electing half the seats in the House. The Liberal Party won the most seats.
| Prefecture | Total seats | Seats won | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |