Duida–Marahuaca National Park is a protected area in Amazonas state, Venezuela. It has an area of 210,000 ha and includes the Duida–Marahuaca Massif.
The national park is within the Alto Orinoco-Casiquiare Biosphere Reserve which was designated in 1991.
Several frog species are only known from the summit of Cerro Marahuaca, including Pristimantis marahuaka,Metaphryniscus sosai, and Myersiohyla inparquesi.