| Official Name: | Municipality of São Félix |
| São Félix | |
| Settlement Type: | Municipality |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | State |
| Leader Title: | Mayor |
| Leader Name: | Alex Sandro Aleluia de Brito |
| Leader Party: | UNIÃO |
| Area Footnotes: | [1] |
| Area Total Km2: | 103.226 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 14,762 |
| Population Density Km2: | auto |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -12.6069°N -38.9694°W |
| Blank Name: | HDI (2010) |
| Blank Info: | 0.639 – medium[3] |
| Population Demonym: | são-felista |
São Félix, Bahia is a municipality in Bahia, Brazil. The municipality has a population of 14,762 with a population density of 142 inhabitants per square kilometer. It is located 110km (70miles) from the state capital of Bahia, Salvador.
São Félix directly faces Cachoeira across the Paraguaçu River; it also borders Muritiba, Maragogipe, Cruz das Almas, São Felipe, and Governador Mangabeira.
São Félix has its origin in a Tupinamba village. In 1534, the Tupinambá village had about 20 huts and a population of approximately two hundred. The Portuguese took the land for the timber trade and to establish sugar cane plantations. Their attempts to enslave the Tupinamba population was unsuccessful and Mem de Sá, Governor-General of the Portuguese colony of Brazil from 1557 to 1572, expelled them from the region. Slaves were brought from Africa to Bahia beginning in 1549, and to Sao Felix and Cachoeira in 1615.
Tobacco production fueled the economy of São Félix from the eighteenth century to the first half of the nineteenth century. Its waterfront was lined with warehouses and three large cigar factories. São Félix became the largest producers of cigars in Brazil. Noted brands were Costa Penna, Dannemanm e Cia, and Simas Cardoso. The Companhia Central da Bahia--Imperial Central Railway Company Limited constructed a 25km (16miles) extension from Feira de Santana to Cachoeira and São Félix in 1874. The engineers Frederico Merei and Affonso Glycerio da Cunha Maciel planned and supervise a railroad bridge between the Cachoeira and São Félix, which was inaugurated on July 7, 1885. Pedro II of Brazil allowed his name on the bridge, which was named the Dom Pedro II Bridge, and the Imperial Arms were placed on a keystone of the bridge.
The first parish church in São Félix was established in 1838 under the name of Nossa Senhora do Desterro do Outeiro Redondo. In 1857 the parish was renamed Senhor Deus Menino de São Félix. Luis Xavier Leal founded the Colégio São Félix in 1884 in the building that now houses the Municipal Market (Mercado Municipal) of São Félix. São Félix was separated from Cachoeira and became an independent municipality in 1889. It was elevated to the level of city in 1890 under the name of São Félix do Paraguaçú. The name was shorted to São Félix in 1931.
São Félix is home to numerous colonial-period historic structures, some designated as Bahian state monuments. The protected Urban and Landscape Complex of the City of São Félix was established by the federal government in 1989.