Euclides da Cunha Paulista is a municipality in the state of São Paulo in Brazil. It is named after Euclides da Cunha, a Brazilian writer. The population is 9,325 (2020 est.) in an area of . The elevation is 265 m.
The municipality contains 30% of the Mico Leão Preto Ecological Station, established in 2002. It also contains part of the Great Pontal Reserve, created in 1942.
In telecommunications, the city was served by . In July 1998, this company was acquired by Telefónica, which adopted the Vivo brand in 2012. The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).