| Age | 78 |
| Birthday | 1947 |
| Birthplace | Grenchen, Switzerland |
| Nationality | Swiss |
| Occupation | Politician |
Ruth Lüthi (née: Affolter; born 1947) is a Swiss academic and a former politician. She was a member of the Social Democratic Party and headed the public health and social affairs department of the Canton of Fribourg between 1991 and 2006. She was a member of the Council of the Fribourg Canton.
