Rio Grande do Norte (lit. "Great Northern River", in reference to the mouth of the Potengi River, ) is one of the states of Brazil, located in the northeastern region of the country, occupying the northeasternmost tip of the South American continent. Because of its geographic position, Rio Grande do Norte has a strategic importance. The capital and largest city is Natal. It is the land of the folklorist Luís da Câmara Cascudo and, according to NASA, it has the purest air in the Americas. Its 410 km (254 mi) of sand, much sun, coconut palms and lagoons are responsible for the fame of beaches. Rocas Atoll, the only such feature in the Atlantic Ocean, is part of the state. The main economic activity is tourism, followed by the extraction of petroleum (the second largest producer in the country), agriculture, fruit growing and extraction of minerals, including considerable production of seasalt, among other economic activities. The state is famous for having many popular attractions such as the Maior cajueiro do mundo (world's largest cashew tree), the dunes and the dromedaries of Genipabu, the famous beaches of Ponta Negra, Maracajaú and Pipa's paradise, the Carnatal the largest off-season carnival in Brazil, the Forte dos Reis Magos is a medieval fortress, the hills and mountains of Martins, the Dunas Park the second largest urban park in the country, and several other attractions. The state is also closest to the archipelago of Fernando de Noronha.

Rio Grande do Norte [] (wörtlich: großer Fluss des Nordens) ist der nord-östlichste Bundesstaat von Brasilien und ebenso die nord-östlichste Ecke von Südamerika.

Le Rio Grande do Norte est un des États du Brésil, situé dans la partie nord-est du pays, en bordure du continent sud-américain dont il constitue l'extrémité nord-orientale.

Rio Grande do Norte är en delstat i nordöstra Brasilien med Natal om delstatshuvudstad. Rocas atoll som ligger i Atlanten 260 km nordöst om Natal tillhör delstaten.

Rio Grande do Norte – jest jednym z 26 stanów Brazylii, (oraz Dystrykt Federalny) położonym w północno-wschodniej części kraju, na najdalej wysuniętym krańcu Ameryki Południowej. Od zachodu graniczy ze stanem Ceará , na północy i wschodzie leży Ocean Atlantycki, a od południa stan Paraíba.