| Luís Viana | |
| Office: | Provincial Deputy for Bahia |
| Term Start: | 1872 |
| Term End: | 1875 |
| Office2: | Senator for Bahia |
| Term Start2: | 1891 |
| Term End2: | 1896 |
| Office3: | Senator for Bahia |
| Term Start3: | 1912 |
| Term End3: | 1920 |
| Office4: | 9th Governor of Bahia |
| Term Start4: | 1896 |
| Term End4: | 1900 |
| Predecessor4: | Rodrigues Lima |
| Successor4: | Severino Vieira |
| Birth Date: | 30 November 1846 |
| Birth Place: | Casa Nova, Brazil |
| Death Place: | Atlantic Ocean |
| Nationality: |  Brazilian |
| Spouse: | Joana Gertrudes Viana |
| Parents: | Mother: Inês Ribeiro Viana Father: José Manuel Viana |
| Children: |
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| Profession: | Political and Magistrate |
Luís Viana, born Luíz Vianna, (30 November 1846 - 6 July 1920) was a Brazilian politician and magistrate.