The Pinheirinhos Sustainable Development Reserve (Portuguese: Reserva de Desenvolvimento Sustentável Pinheirinhos) is a sustainable development reserve in the Atlantic Forest biome and the state of São Paulo, Southeastern Brazil.

The Pinheirinhos Sustainable Development Reserve is in the municipality of Barra do Turvo, São Paulo.

[2] The reserve collaborates with the Agroforestry Project for Community Development and Conservation of the Atlantic Forest developed by Cooperafloresta in the Vale do Ribeira region, which aims to improve agroforestry practice and to support 112 families.

[4] It is administered by the state forest foundation (Fundação para Conservação e a Produção Florestal do Estado de São Paulo).

[1] In April 2011 residents of the community of Pinheirinhos das Dúvidas in the reserve, with 30 families, still had no electric power supply despite being registered since 2008 under the Luz para Todos program.