Paraná () is one of the 26 states of Brazil, located in the South of the country, bordered on the north by São Paulo state, on the east by the Atlantic Ocean, on the south by Santa Catarina state and the Misiones Province of Argentina, and on the west by Mato Grosso do Sul and the republic of Paraguay, with the Paraná River as its western boundary line. Cut by the Tropic of Capricorn, Paraná has what is left of the araucaria forest, one of the most important subtropical forests in the world. At the border with Argentina is the National Park of Iguaçu, considered by UNESCO as a World Heritage site and the spectacle of the Cataratas do Iguaçu attracts about 700 thousand tourists per year. At only from there, at the border with Paraguay, the largest dam in the world was built, the Hidroelétrica de Itaipu. The State Park of Vila Velha near the city of Ponta Grossa, is another attraction, with great rocky formations sculpted by the erosion of rain and wind. Curitiba, the capital, is famous for its high quality of life, compared to the Brazilian average, and the Ilha do Mel, next to the historical Paranaguá, is another destination for eco-tourists.

Der Bundesstaat Paraná (Kurzzeichen: PR) liegt im Süden Brasiliens. Er gliedert sich in 6 Hauptregionen mit 399 Gemeinden ("municípios").

Le Paraná est l'un des 27 États du Brésil et fait partie de la région Sud. Il partage ses frontières avec l'état de São Paulo (au nord et au nord-est), l'Océan Atlantique (à l'est), l'état de Santa Catarina (au sud), l'Argentine (au sud-ouest), le Paraguay (à l'ouest) et l'état du Mato Grosso do Sul (au nord-ouest). Sa surface est 199 314 km².

Paraná eller Parana kan avse:

• Paranáfloden, en flod som rinner genom Brasilien, Paraguay och Argentina
• Paraná Basin, en sedimentär sänka i Brasilien, Paraguay, Argentina och Uruguay
• Paraná-Paraíba interior forests, a tropical moist forest ecoregion in Brazil, Paraguay, and Argentina

Parana (port. Paraná) – jest jednym z 26 stanów Brazylii, (+ Dystrykt Federalny) położonym w południowo-wschodniej części kraju. Od zachodu graniczy z Paragwajem , od północy ze stanem Mato Grosso do Sul i São Paulo, od południa ze stanem Santa Catarina, a na wschodzie jest Ocean Atlantycki.