# 1971 Japanese House of Councillors election

House of Councillors elections were held in Japan on 27 June 1971, electing half the seats in the House. The Liberal Democratic Party won the most seats.

## Results

Seats :
| Party | Party | Votes | % | Seats | Votes | % | Seats | Not up | Won | Total after | +/– |
| | Liberal Democratic Party | 17,759,395 | 44.47 | 21 | 17,727,263 | 43.95 | 41 | 72 | 62 | 134 | –3 |
| | Japan Socialist Party | 8,494,264 | 21.27 | 11 | 12,597,644 | 31.24 | 28 | 27 | 39 | 66 | +1 |
| | Komeitō | 5,626,293 | 14.09 | 8 | 1,391,855 | 3.45 | 2 | 13 | 10 | 23 | –1 |
| | Japanese Communist Party | 3,219,307 | 8.06 | 5 | 4,878,570 | 12.10 | 1 | 4 | 6 | 10 | +3 |
| | Democratic Socialist Party | 2,441,509 | 6.11 | 4 | 1,919,643 | 4.76 | 2 | 7 | 6 | 13 | +3 |
| | Other parties | 48,300 | 0.12 | 0 | 74,739 | 0.19 | 0 | 0 | 0 | 0 | 0 |
| | Independents | 2,342,517 | 5.87 | 1 | 1,741,201 | 4.32 | 1 | 3 | 2 | 5 | –2 |
| Total | Total | 39,931,585 | 100.00 | 50 | 40,330,915 | 100.00 | 75 | 126 | 125 | 251 | +1 |
| Valid votes | Valid votes | 39,931,585 | 94.71 | | 40,330,915 | 95.65 | | | | | |
| Invalid/blank votes | Invalid/blank votes | 2,229,158 | 5.29 | | 1,833,100 | 4.35 | | | | | |
| Total votes | Total votes | 42,160,743 | 100.00 | | 42,164,015 | 100.00 | | | | | |
| Registered voters/turnout | Registered voters/turnout | 71,177,667 | 59.23 | | 71,177,667 | 59.24 | | | | | |
| Source: Ministry of Internal Affairs and Communications, National Diet ||||||||||||

### By constituency

| Constituency | Total seats | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won |
| Constituency | Total seats | LDP | JSP | Kōmeitō | DSP | JCP | Ind. |
| Aichi | 3 | 2 | 1 | | | | |
| Akita | 1 | | 1 | | | | |
| Aomori | 1 | 1 | | | | | |
| Chiba | 2 | 1 | 1 | | | | |
| Ehime | 1 | 1 | | | | | |
| Fukui | 1 | | 1 | | | | |
| Fukuoka | 3 | 2 | 1 | | | | |
| Fukushima | 2 | 1 | 1 | | | | |
| Gifu | 1 | | 1 | | | | |
| Gunma | 2 | 1 | 1 | | | | |
| Hiroshima | 2 | 1 | 1 | | | | |
| Hokkaido | 4 | 2 | 2 | | | | |
| Hyōgo | 3 | 1 | 1 | | 1 | | |
| Ibaraki | 2 | 2 | | | | | |
| 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 | | | | |
| Okinawa | 1 | 1 | | | | | |
| Okayama | 2 | 1 | 1 | | | | |
| Osaka | 3 | 1 | 1 | 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 | 50 | 21 | 11 | 8 | 4 | 5 | 1 |
| Total | 126 | 63 | 39 | 10 | 6 | 6 | 2 |