Coordinates: 22°29′45″S 44°33′46″W / 22.49583°S 44.56278°W
Itatiaia (Portuguese pronunciation: [itɐtʃiˈaj.jɐ]) is a Brazilian municipality of the state of Rio de Janeiro. It is located at an altitude of 390 meters. Its population was 30,168 (2005) and its area is 224.96 km².
The first Brazilian national park, Parque Nacional do Itatiaia (PNI), is located in the municipality. The municipality also contains part of the 8,036 hectares (19,860 acres) Pedra Selada State Park, created in 2012.