The Mananciais do Rio Paraíba do Sul Environmental Protection Area (Portuguese: Área de Proteção Ambiental Mananciais da Bacia Hidrográfica do rio Paraíba do Sul) is an environmental protection area in the state of São Paulo, Brazil.

[1] In São Paulo it covers parts of the municipalities of Areias, Arujá, Bananal, Cachoeira Paulista, Cruzeiro, Guaratinguetá, Guarulhos, Igaratá, Jacareí, Jambeiro, Lavrinhas, Monteiro Lobato, Natividade da Serra, Paraibuna, Piquete, Queluz, Redenção da Serra, Santa Branca, Santa Isabel, Silveiras, São José do Barreiro, São José dos Campos and Taubaté.

Endemic species of fauna include buffy-tufted marmoset (Callithrix aurita), white-bearded antshrike (Biatas nigropectus), brown-backed parrotlet (Touit melanonotus) and vinaceous-breasted amazon (Amazona vinacea).

[2] On 9 April 2012 a working group was established to coordinate environmental assessment of forest fragments in the APA.

[3] The municipality of São José dos Campos gave ICMBio the right to use an old weaving mill in the Burle Marx City Park, which was being prepared in 2013.