The Swiss federal election, 1975 was a federal election that took place in Switzerland in 1975.
| Party | Abbr. | Seats | % |
|---|---|---|---|
| Social-Democratic Party | SP | 55 | 24.6 |
| Free Democratic Party of Switzerland | FDP | 47 | 22.2 |
| Christian Democratic People's Party of Switzerland | CVP | 46 | 20.6 |
| Swiss People's Party | SVP | 21 | 9.9 |
| Ring of Independents | LdU | 11 | 6.1 |
| Swiss Democrats | SD | 6 | 5.5 |
| Liberal Party of Switzerland | LPS | 6 | 2.4 |
| Swiss Labour Party | PdA | 5 | 2.4 |
| Green Party of Switzerland | GPS | 0 | 0.1 |
| Progressive Organization Switzerland | POCH | 0 | 1.0 |
| Evangelical People's Party | EVP | 3 | 2.0 |
| Federal Democratic Union | EDU | 0 | 0.3 |
| Christian Social Party | CSP | 0 | 0.1 |
| Others | --- | 0 | 2.8 |
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