Valentim Gentil is a municipality in the state of São Paulo, Brazil. The city has a population of 13,532 inhabitants and an area of .
The municipality was created by state law in 1948.
Valentim Gentil belongs to the Mesoregion of São José do Rio Preto.
In telecommunications, the city was served by until 1975, when it began to be 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).